# Factoring polynomials by grouping - I have the right answer#38162

Closed
opened this Issue Jan 16, 2013 · 2 comments

### 3 participants

I have the right answer, but i switched the form from (-9x + 7)(x - 3) to (-3 + x)(7 + -9x) and it wont accept it...

factoring_polynomials_by_grouping_1.html?seed=141&problem=0

[["(-3 + x)(7 + -9x)"],["(-3+x)(7+-9x)"]]


Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.52 Safari/537.17

User hash: 738951835

start of log
running tmplCleanup
MathJax undefined in Cleanup
ran tmplCleanup
(underscoreCleanup not a fn; src /khan-exercises/utils/underscore.js)
(hintsCleanup not a fn; src /khan-exercises/utils/hints.js)
(calculatorCleanup not a fn; src /khan-exercises/utils/calculator.js)
running tmplCleanup
MathJax undefined in Cleanup
ran tmplCleanup
(underscoreCleanup not a fn; src /khan-exercises/utils/underscore.js)
(hintsCleanup not a fn; src /khan-exercises/utils/hints.js)
(calculatorCleanup not a fn; src /khan-exercises/utils/calculator.js)
start of makeProblem
chose problem type and seed
cloned problem
cloned global elements
ran tmplApply to vars and main elements
ran tmplApply to [id]
removed hints from DOM
evaled inline scripts
(underscoreLoad not a fn; src /khan-exercises/utils/underscore.js)
(hintsLoad not a fn; src /khan-exercises/utils/hints.js)
(calculatorLoad not a fn; src /khan-exercises/utils/calculator.js)
(mathLoad not a fn; src /khan-exercises/utils/math.js)
(undefinedLoad not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphaelLoad not a fn; src /khan-exercises/utils/raphael.js)
(math-formatLoad not a fn; src /khan-exercises/utils/math-format.js)
(expressionsLoad not a fn; src /khan-exercises/utils/expressions.js)
(graphieLoad not a fn; src /khan-exercises/utils/graphie.js)
running tmpl
adding -5 to MathJax typeset queue
adding x^2+ to MathJax typeset queue
adding 1 to MathJax typeset queue
adding x+ to MathJax typeset queue
adding 18 to MathJax typeset queue
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
done with runModules
validator created
adding \blue{A}x^2 + \green{B}x + \pink{C} to MathJax typeset queue
adding a to MathJax typeset queue
adding b to MathJax typeset queue
\purple{ab} &=& \blue{A}\pink{C} \
\purple{a} + \purple{b} &=& \green{B}
\end{eqnarray}
to MathJax typeset queue
\purple{ab} &=&
\blue{(-5)}\pink{(18)} &=& -90 \
\purple{a} + \purple{b} &=& &=&
\green{1}
\end{eqnarray}
to MathJax typeset queue
adding \purple{a} to MathJax typeset queue
adding \purple{b} to MathJax typeset queue
adding -90 to MathJax typeset queue
adding -90 to MathJax typeset queue
adding \green{1} to MathJax typeset queue
adding \purple{a} to MathJax typeset queue
adding \purple{b} to MathJax typeset queue
adding \purple{a} to MathJax typeset queue
adding \purple{-9} to MathJax typeset queue
adding \purple{b} to MathJax typeset queue
adding \purple{10} to MathJax typeset queue
\purple{ab} &=& (\purple{-9})(\purple{10})
&=& -90 \
\purple{a} + \purple{b} &=& \purple{-9} + \purple{10}
&=& 1
\end{eqnarray}
to MathJax typeset queue
adding \blue{A}x^2 + \purple{a}x + \purple{b}x + \pink{C} to MathJax typeset queue
\purple{-9}x
+\purple{10}x
+\pink{18}
to MathJax typeset queue
+ (\purple{10}x +\pink{18})
to MathJax typeset queue
\qquad x(-5x + -9) + -2(-5x + -9)
to MathJax typeset queue
adding (-5x + -9) to MathJax typeset queue
adding (-5x + -9)(x + -2) to MathJax typeset queue
MathJax done typesetting -5
MathJax done typesetting x^2+
MathJax done typesetting 1
MathJax done typesetting x+
MathJax done typesetting 18
MathJax done typesetting \blue{A}x^2 + \green{B}x + \pink{C}
MathJax done typesetting a
MathJax done typesetting b
MathJax done typesetting
\purple{ab} &=& \blue{A}\pink{C} \
\purple{a} + \purple{b} &=& \green{B}
\end{eqnarray}

MathJax done typesetting
\purple{ab} &=&
\blue{(-5)}\pink{(18)} &=& -90 \
\purple{a} + \purple{b} &=& &=&
\green{1}
\end{eqnarray}

MathJax done typesetting \purple{a}
MathJax done typesetting \purple{b}
MathJax done typesetting -90
MathJax done typesetting -90
MathJax done typesetting \green{1}
MathJax done typesetting \purple{a}
MathJax done typesetting \purple{b}
MathJax done typesetting \purple{a}
MathJax done typesetting \purple{-9}
MathJax done typesetting \purple{b}
MathJax done typesetting \purple{10}
MathJax done typesetting
\purple{ab} &=& (\purple{-9})(\purple{10})
&=& -90 \
\purple{a} + \purple{b} &=& \purple{-9} + \purple{10}
&=& 1
\end{eqnarray}

MathJax done typesetting \blue{A}x^2 + \purple{a}x + \purple{b}x + \pink{C}
MathJax done typesetting
\purple{-9}x
+\purple{10}x
+\pink{18}

MathJax done typesetting
+ (\purple{10}x +\pink{18})

MathJax done typesetting
\qquad x(-5x + -9) + -2(-5x + -9)

MathJax done typesetting (-5x + -9)
MathJax done typesetting (-5x + -9)(x + -2)
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmplCleanup
cleaning up: -5
got jax of type object
source element is type object
source element -5
removed!
cleaning up: x^2+
got jax of type object
source element is type object
source element x^2+
removed!
cleaning up: 1
got jax of type object
source element is type object
source element 1
removed!
cleaning up: x+
got jax of type object
source element is type object
source element x+
removed!
cleaning up: 18
got jax of type object
source element is type object
source element 18
removed!
ran tmplCleanup
(underscoreCleanup not a fn; src /khan-exercises/utils/underscore.js)
(hintsCleanup not a fn; src /khan-exercises/utils/hints.js)
(calculatorCleanup not a fn; src /khan-exercises/utils/calculator.js)
(mathCleanup not a fn; src /khan-exercises/utils/math.js)
(undefinedCleanup not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphaelCleanup not a fn; src /khan-exercises/utils/raphael.js)
(math-formatCleanup not a fn; src /khan-exercises/utils/math-format.js)
(expressionsCleanup not a fn; src /khan-exercises/utils/expressions.js)
(graphieCleanup not a fn; src /khan-exercises/utils/graphie.js)
running tmplCleanup
cleaning up: \blue{A}x^2 + \green{B}x + \pink{C}
got jax of type object
source element is type object
source element \blue{A}x^2 + \green{B}x + \pink{C}
removed!
cleaning up: a
got jax of type object
source element is type object
source element a
removed!
cleaning up: b
got jax of type object
source element is type object
source element b
removed!
cleaning up:
\purple{ab} &=& \blue{A}\pink{C} \
\purple{a} + \purple{b} &=& \green{B}
\end{eqnarray}

got jax of type object
source element is type object
source element  \qquad \begin{eqnarray} \purple{ab} &=& \blue{A}\pink{C} \ \purple{a} + \purple{b} &=& \green{B} \end{eqnarray} 
removed!
cleaning up:
\purple{ab} &=&
\blue{(-5)}\pink{(18)} &=& -90 \
\purple{a} + \purple{b} &=& &=&
\green{1}
\end{eqnarray}

got jax of type object
source element is type object
source element  \qquad \begin{eqnarray} \purple{ab} &=& \blue{(-5)}\pink{(18)} &=& -90 \ \purple{a} + \purple{b} &=& &=& \green{1} \end{eqnarray} 
removed!
cleaning up: \purple{a}
got jax of type object
source element is type object
source element \purple{a}
removed!
cleaning up: \purple{b}
got jax of type object
source element is type object
source element \purple{b}
removed!
cleaning up: -90
got jax of type object
source element is type object
source element -90
removed!
cleaning up: -90
got jax of type object
source element is type object
source element -90
removed!
cleaning up: \green{1}
got jax of type object
source element is type object
source element \green{1}
removed!
cleaning up: \purple{a}
got jax of type object
source element is type object
source element \purple{a}
removed!
cleaning up: \purple{b}
got jax of type object
source element is type object
source element \purple{b}
removed!
cleaning up: \purple{a}
got jax of type object
source element is type object
source element \purple{a}
removed!
cleaning up: \purple{-9}
got jax of type object
source element is type object
source element \purple{-9}
removed!
cleaning up: \purple{b}
got jax of type object
source element is type object
source element \purple{b}
removed!
cleaning up: \purple{10}
got jax of type object
source element is type object
source element \purple{10}
removed!
cleaning up:
\purple{ab} &=& (\purple{-9})(\purple{10})
&=& -90 \
\purple{a} + \purple{b} &=& \purple{-9} + \purple{10}
&=& 1
\end{eqnarray}

got jax of type object
source element is type object
source element  \qquad \begin{eqnarray} \purple{ab} &=& (\purple{-9})(\purple{10}) &=& -90 \ \purple{a} + \purple{b} &=& \purple{-9} + \purple{10} &=& 1 \end{eqnarray} 
removed!
cleaning up: \blue{A}x^2 + \purple{a}x + \purple{b}x + \pink{C}
got jax of type object
source element is type object
source element \blue{A}x^2 + \purple{a}x + \purple{b}x + \pink{C}
removed!
cleaning up:
\purple{-9}x
+\purple{10}x
+\pink{18}

got jax of type object
source element is type object
source element  \qquad \blue{-5}x^2 \purple{-9}x +\purple{10}x +\pink{18} 
removed!
cleaning up:
+ (\purple{10}x +\pink{18})

got jax of type object
source element is type object
source element  \qquad (\blue{-5}x^2 \purple{-9}x) + (\purple{10}x +\pink{18}) 
removed!
cleaning up:
\qquad x(-5x - 9) - 2(-5x - 9)

got jax of type object
source element is type object
source element  \qquad x(-5x - 9) - 2(-5x - 9) 
removed!
cleaning up: (-5x - 9)
got jax of type object
source element is type object
source element (-5x - 9)
removed!
cleaning up: (-5x - 9)(x - 2)
got jax of type object
source element is type object
source element (-5x - 9)(x - 2)
removed!
ran tmplCleanup
(underscoreCleanup not a fn; src /khan-exercises/utils/underscore.js)
(hintsCleanup not a fn; src /khan-exercises/utils/hints.js)
(calculatorCleanup not a fn; src /khan-exercises/utils/calculator.js)
(mathCleanup not a fn; src /khan-exercises/utils/math.js)
(undefinedCleanup not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphaelCleanup not a fn; src /khan-exercises/utils/raphael.js)
(math-formatCleanup not a fn; src /khan-exercises/utils/math-format.js)
(expressionsCleanup not a fn; src /khan-exercises/utils/expressions.js)
(graphieCleanup not a fn; src /khan-exercises/utils/graphie.js)
start of makeProblem
chose problem type and seed
cloned problem
cloned global elements
ran tmplApply to vars and main elements
ran tmplApply to [id]
removed hints from DOM
evaled inline scripts
(underscoreLoad not a fn; src /khan-exercises/utils/underscore.js)
(hintsLoad not a fn; src /khan-exercises/utils/hints.js)
(calculatorLoad not a fn; src /khan-exercises/utils/calculator.js)
(mathLoad not a fn; src /khan-exercises/utils/math.js)
(undefinedLoad not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphaelLoad not a fn; src /khan-exercises/utils/raphael.js)
(math-formatLoad not a fn; src /khan-exercises/utils/math-format.js)
(expressionsLoad not a fn; src /khan-exercises/utils/expressions.js)
(graphieLoad not a fn; src /khan-exercises/utils/graphie.js)
running tmpl
adding -7 to MathJax typeset queue
MathJax done typesetting -7
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding x^2+ to MathJax typeset queue
MathJax done typesetting x^2+
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding 34 to MathJax typeset queue
MathJax done typesetting 34
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding x+ to MathJax typeset queue
MathJax done typesetting x+
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding 5 to MathJax typeset queue
MathJax done typesetting 5
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
done with runModules
validator created
adding \blue{A}x^2 + \green{B}x + \pink{C} to MathJax typeset queue
MathJax done typesetting \blue{A}x^2 + \green{B}x + \pink{C}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding a to MathJax typeset queue
MathJax done typesetting a
adding b to MathJax typeset queue
MathJax done typesetting b
\purple{ab} &=& \blue{A}\pink{C} \
\purple{a} + \purple{b} &=& \green{B}
\end{eqnarray}
to MathJax typeset queue
MathJax done typesetting
\purple{ab} &=& \blue{A}\pink{C} \
\purple{a} + \purple{b} &=& \green{B}
\end{eqnarray}

reprocessing MathJax: undefined
MathJax done reprocessing undefined
\purple{ab} &=&
\blue{(-7)}\pink{(5)} &=& -35 \
\purple{a} + \purple{b} &=& &=&
\green{34}
\end{eqnarray}
to MathJax typeset queue
MathJax done typesetting
\purple{ab} &=&
\blue{(-7)}\pink{(5)} &=& -35 \
\purple{a} + \purple{b} &=& &=&
\green{34}
\end{eqnarray}

reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{a} to MathJax typeset queue
MathJax done typesetting \purple{a}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{b} to MathJax typeset queue
MathJax done typesetting \purple{b}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding -35 to MathJax typeset queue
MathJax done typesetting -35
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding -35 to MathJax typeset queue
MathJax done typesetting -35
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \green{34} to MathJax typeset queue
MathJax done typesetting \green{34}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{a} to MathJax typeset queue
MathJax done typesetting \purple{a}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{b} to MathJax typeset queue
MathJax done typesetting \purple{b}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{a} to MathJax typeset queue
MathJax done typesetting \purple{a}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{-1} to MathJax typeset queue
MathJax done typesetting \purple{-1}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{b} to MathJax typeset queue
MathJax done typesetting \purple{b}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{35} to MathJax typeset queue
MathJax done typesetting \purple{35}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
\purple{ab} &=& (\purple{-1})(\purple{35})
&=& -35 \
\purple{a} + \purple{b} &=& \purple{-1} + \purple{35}
&=& 34
\end{eqnarray}
to MathJax typeset queue
MathJax done typesetting
\purple{ab} &=& (\purple{-1})(\purple{35})
&=& -35 \
\purple{a} + \purple{b} &=& \purple{-1} + \purple{35}
&=& 34
\end{eqnarray}

reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \blue{A}x^2 + \purple{a}x + \purple{b}x + \pink{C} to MathJax typeset queue
MathJax done typesetting \blue{A}x^2 + \purple{a}x + \purple{b}x + \pink{C}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
\purple{-1}x
+\purple{35}x
+\pink{5}
to MathJax typeset queue
MathJax done typesetting
\purple{-1}x
+\purple{35}x
+\pink{5}

reprocessing MathJax: undefined
MathJax done reprocessing undefined
+ (\purple{35}x +\pink{5})
to MathJax typeset queue
MathJax done typesetting
+ (\purple{35}x +\pink{5})

reprocessing MathJax: undefined
MathJax done reprocessing undefined
\qquad x(-7x + -1) + -5(-7x + -1)
to MathJax typeset queue
MathJax done typesetting
\qquad x(-7x + -1) + -5(-7x + -1)

reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding (-7x + -1) to MathJax typeset queue
MathJax done typesetting (-7x + -1)
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding (-7x + -1)(x + -5) to MathJax typeset queue
MathJax done typesetting (-7x + -1)(x + -5)
reprocessing MathJax: undefined
MathJax done reprocessing undefined
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmplCleanup
cleaning up: -7
got jax of type object
source element is type object
source element -7
removed!
cleaning up: x^2+
got jax of type object
source element is type object
source element x^2+
removed!
cleaning up: 34
got jax of type object
source element is type object
source element 34
removed!
cleaning up: x+
got jax of type object
source element is type object
source element x+
removed!
cleaning up: 5
got jax of type object
source element is type object
source element 5
removed!
ran tmplCleanup
(underscoreCleanup not a fn; src /khan-exercises/utils/underscore.js)
(hintsCleanup not a fn; src /khan-exercises/utils/hints.js)
(calculatorCleanup not a fn; src /khan-exercises/utils/calculator.js)
(mathCleanup not a fn; src /khan-exercises/utils/math.js)
(undefinedCleanup not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphaelCleanup not a fn; src /khan-exercises/utils/raphael.js)
(math-formatCleanup not a fn; src /khan-exercises/utils/math-format.js)
(expressionsCleanup not a fn; src /khan-exercises/utils/expressions.js)
(graphieCleanup not a fn; src /khan-exercises/utils/graphie.js)
running tmplCleanup
cleaning up: \blue{A}x^2 + \green{B}x + \pink{C}
got jax of type object
source element is type object
source element \blue{A}x^2 + \green{B}x + \pink{C}
removed!
cleaning up: a
got jax of type object
source element is type object
source element a
removed!
cleaning up: b
got jax of type object
source element is type object
source element b
removed!
cleaning up:
\purple{ab} &=& \blue{A}\pink{C} \
\purple{a} + \purple{b} &=& \green{B}
\end{eqnarray}

got jax of type object
source element is type object
source element  \qquad \begin{eqnarray} \purple{ab} &=& \blue{A}\pink{C} \ \purple{a} + \purple{b} &=& \green{B} \end{eqnarray} 
removed!
cleaning up:
\purple{ab} &=&
\blue{(-7)}\pink{(5)} &=& -35 \
\purple{a} + \purple{b} &=& &=&
\green{34}
\end{eqnarray}

got jax of type object
source element is type object
source element  \qquad \begin{eqnarray} \purple{ab} &=& \blue{(-7)}\pink{(5)} &=& -35 \ \purple{a} + \purple{b} &=& &=& \green{34} \end{eqnarray} 
removed!
cleaning up: \purple{a}
got jax of type object
source element is type object
source element \purple{a}
removed!
cleaning up: \purple{b}
got jax of type object
source element is type object
source element \purple{b}
removed!
cleaning up: -35
got jax of type object
source element is type object
source element -35
removed!
cleaning up: -35
got jax of type object
source element is type object
source element -35
removed!
cleaning up: \green{34}
got jax of type object
source element is type object
source element \green{34}
removed!
cleaning up: \purple{a}
got jax of type object
source element is type object
source element \purple{a}
removed!
cleaning up: \purple{b}
got jax of type object
source element is type object
source element \purple{b}
removed!
cleaning up: \purple{a}
got jax of type object
source element is type object
source element \purple{a}
removed!
cleaning up: \purple{-1}
got jax of type object
source element is type object
source element \purple{-1}
removed!
cleaning up: \purple{b}
got jax of type object
source element is type object
source element \purple{b}
removed!
cleaning up: \purple{35}
got jax of type object
source element is type object
source element \purple{35}
removed!
cleaning up:
\purple{ab} &=& (\purple{-1})(\purple{35})
&=& -35 \
\purple{a} + \purple{b} &=& \purple{-1} + \purple{35}
&=& 34
\end{eqnarray}

got jax of type object
source element is type object
source element  \qquad \begin{eqnarray} \purple{ab} &=& (\purple{-1})(\purple{35}) &=& -35 \ \purple{a} + \purple{b} &=& \purple{-1} + \purple{35} &=& 34 \end{eqnarray} 
removed!
cleaning up: \blue{A}x^2 + \purple{a}x + \purple{b}x + \pink{C}
got jax of type object
source element is type object
source element \blue{A}x^2 + \purple{a}x + \purple{b}x + \pink{C}
removed!
cleaning up:
\purple{-1}x
+\purple{35}x
+\pink{5}

got jax of type object
source element is type object
source element  \qquad \blue{-7}x^2 \purple{-1}x +\purple{35}x +\pink{5} 
removed!
cleaning up:
+ (\purple{35}x +\pink{5})

got jax of type object
source element is type object
source element  \qquad (\blue{-7}x^2 \purple{-1}x) + (\purple{35}x +\pink{5}) 
removed!
cleaning up:
\qquad x(-7x - 1) - 5(-7x - 1)

got jax of type object
source element is type object
source element  \qquad x(-7x - 1) - 5(-7x - 1) 
removed!
cleaning up: (-7x - 1)
got jax of type object
source element is type object
source element (-7x - 1)
removed!
cleaning up: (-7x - 1)(x - 5)
got jax of type object
source element is type object
source element (-7x - 1)(x - 5)
removed!
ran tmplCleanup
(underscoreCleanup not a fn; src /khan-exercises/utils/underscore.js)
(hintsCleanup not a fn; src /khan-exercises/utils/hints.js)
(calculatorCleanup not a fn; src /khan-exercises/utils/calculator.js)
(mathCleanup not a fn; src /khan-exercises/utils/math.js)
(undefinedCleanup not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphaelCleanup not a fn; src /khan-exercises/utils/raphael.js)
(math-formatCleanup not a fn; src /khan-exercises/utils/math-format.js)
(expressionsCleanup not a fn; src /khan-exercises/utils/expressions.js)
(graphieCleanup not a fn; src /khan-exercises/utils/graphie.js)
start of makeProblem
chose problem type and seed
cloned problem
cloned global elements
ran tmplApply to vars and main elements
ran tmplApply to [id]
removed hints from DOM
evaled inline scripts
(underscoreLoad not a fn; src /khan-exercises/utils/underscore.js)
(hintsLoad not a fn; src /khan-exercises/utils/hints.js)
(calculatorLoad not a fn; src /khan-exercises/utils/calculator.js)
(mathLoad not a fn; src /khan-exercises/utils/math.js)
(undefinedLoad not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphaelLoad not a fn; src /khan-exercises/utils/raphael.js)
(math-formatLoad not a fn; src /khan-exercises/utils/math-format.js)
(expressionsLoad not a fn; src /khan-exercises/utils/expressions.js)
(graphieLoad not a fn; src /khan-exercises/utils/graphie.js)
running tmpl
adding -9 to MathJax typeset queue
MathJax done typesetting -9
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding x^2+ to MathJax typeset queue
MathJax done typesetting x^2+
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding 34 to MathJax typeset queue
MathJax done typesetting 34
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding x to MathJax typeset queue
MathJax done typesetting x
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding -21 to MathJax typeset queue
MathJax done typesetting -21
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
done with runModules
validator created
adding \blue{A}x^2 + \green{B}x + \pink{C} to MathJax typeset queue
MathJax done typesetting \blue{A}x^2 + \green{B}x + \pink{C}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding a to MathJax typeset queue
MathJax done typesetting a
adding b to MathJax typeset queue
MathJax done typesetting b
\purple{ab} &=& \blue{A}\pink{C} \
\purple{a} + \purple{b} &=& \green{B}
\end{eqnarray}
to MathJax typeset queue
MathJax done typesetting
\purple{ab} &=& \blue{A}\pink{C} \
\purple{a} + \purple{b} &=& \green{B}
\end{eqnarray}

reprocessing MathJax: undefined
MathJax done reprocessing undefined
\purple{ab} &=&
\blue{(-9)}\pink{(-21)} &=& 189 \
\purple{a} + \purple{b} &=& &=&
\green{34}
\end{eqnarray}
to MathJax typeset queue
MathJax done typesetting
\purple{ab} &=&
\blue{(-9)}\pink{(-21)} &=& 189 \
\purple{a} + \purple{b} &=& &=&
\green{34}
\end{eqnarray}

reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{a} to MathJax typeset queue
MathJax done typesetting \purple{a}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{b} to MathJax typeset queue
MathJax done typesetting \purple{b}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding 189 to MathJax typeset queue
MathJax done typesetting 189
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \green{34} to MathJax typeset queue
MathJax done typesetting \green{34}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{a} to MathJax typeset queue
MathJax done typesetting \purple{a}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{b} to MathJax typeset queue
MathJax done typesetting \purple{b}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{a} to MathJax typeset queue
MathJax done typesetting \purple{a}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{7} to MathJax typeset queue
MathJax done typesetting \purple{7}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{b} to MathJax typeset queue
MathJax done typesetting \purple{b}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \purple{27} to MathJax typeset queue
MathJax done typesetting \purple{27}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
\purple{ab} &=& (\purple{7})(\purple{27})
&=& 189 \
\purple{a} + \purple{b} &=& \purple{7} + \purple{27}
&=& 34
\end{eqnarray}
to MathJax typeset queue
MathJax done typesetting
\purple{ab} &=& (\purple{7})(\purple{27})
&=& 189 \
\purple{a} + \purple{b} &=& \purple{7} + \purple{27}
&=& 34
\end{eqnarray}

reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding \blue{A}x^2 + \purple{a}x + \purple{b}x + \pink{C} to MathJax typeset queue
MathJax done typesetting \blue{A}x^2 + \purple{a}x + \purple{b}x + \pink{C}
reprocessing MathJax: undefined
MathJax done reprocessing undefined
+\purple{7}x
+\purple{27}x
\pink{-21}
to MathJax typeset queue
MathJax done typesetting
+\purple{7}x
+\purple{27}x
\pink{-21}

reprocessing MathJax: undefined
MathJax done reprocessing undefined
+ (\purple{27}x \pink{-21})
to MathJax typeset queue
MathJax done typesetting
+ (\purple{27}x \pink{-21})

reprocessing MathJax: undefined
MathJax done reprocessing undefined
\qquad x(-9x + 7) + -3(-9x + 7)
to MathJax typeset queue
MathJax done typesetting
\qquad x(-9x + 7) + -3(-9x + 7)

reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding (-9x + 7) to MathJax typeset queue
MathJax done typesetting (-9x + 7)
reprocessing MathJax: undefined
MathJax done reprocessing undefined
adding (-9x + 7)(x + -3) to MathJax typeset queue
MathJax done typesetting (-9x + 7)(x + -3)
reprocessing MathJax: undefined
MathJax done reprocessing undefined
attempt {"complete":0,"count_hints":0,"time_taken":148,"attempt_number":1,"attempt_content":"[\"(-3 + x)(7 + -9x)\"]","sha1":"fb6cd426fec501e9b624460cb7b1bc1d44e55fc1","seed":141,"problem_type":"0","review_mode":0,"topic_mode":0,"casing":"camel","card":"{\"leavesEarned\":-1,\"cardType\":\"problem\",\"done\":false,\"leavesAvailable\":2,\"exerciseName\":\"factoring_polynomials_by_grouping_1\"}","stack_uid":"62a22124-29cb-4a1a-aa89-715105bfc043","topic_id":"quad_factoring","cards_done":2,"cards_left":5}
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: undefined
MathJax done reprocessing undefined
ran tmpl
(underscore not a fn; src /khan-exercises/utils/underscore.js)
(hints not a fn; src /khan-exercises/utils/hints.js)
(calculator not a fn; src /khan-exercises/utils/calculator.js)
(math not a fn; src /khan-exercises/utils/math.js)
(undefined not a fn; src /khan-exercises/utils/MathJax/1.1a/MathJax.js?config=KAthJax-8a6b08f6f5c97d7c3c310cc909a7a140)
(raphael not a fn; src /khan-exercises/utils/raphael.js)
(math-format not a fn; src /khan-exercises/utils/math-format.js)
(expressions not a fn; src /khan-exercises/utils/expressions.js)
running graphie
ran graphie
running tmpl
reprocessing MathJax: un

commented Jan 19, 2013

Not sure if it should be accepted this way.

realbug

 beneater Make factoring_polynomials_by_grouping_1 accept all valid answers fix #38994; fix #38162; fix #35332; fix #35331 Test plan: Load http://localhost:8000/exercises/factoring_polynomials_by_grouping_1.html?debug&problem=0&seed=88 and try all of these answers: (-7x-1)(x-5) (-7x-1)(-5+x) (-1-7x)(x-5) (-1-7x)(-5+x) (x-5)(-7x-1) (-5+x)(-7x-1) (x-5)(-1-7x) (-5+x)(-1-7x) (7x+1)(-x+5) (7x+1)(5-x) (1+7x)(-x+5) (1+7x)(5-x) (-x+5)(7x+1) (5-x)(7x+1) (-x+5)(1+7x) (5-x)(1+7x) -(7x+1)(x-5) -(7x+1)(-5+x) -(1+7x)(x-5) -(1+7x)(-5+x) -(-x+5)(-7x-1) -(5-x)(-7x-1) -(-x+5)(-1-7x) -(5-x)(-1-7x) -(7x+1)(x-5) -(7x+1)(-5+x) -(1+7x)(x-5) -(1+7x)(-5+x) -(-x+5)(-7x-1) -(5-x)(-7x-1) -(-x+5)(-1-7x) -(5-x)(-1-7x) Auditors: cbhl, alpert 66a5ed8
closed this in 66a5ed8 Mar 6, 2013