Khan/khan-exercises — Issue #13084: Quadratic equation - Equation is not reduced completely
Author: KhanBugz
Created: 2012-02-05 00:17:42+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

Reporter: s.menke@gmail.com

Roots should be shown as -1/3 and -1/2.

[quadratic_equation.html?seed=59&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/quadratic_equation.html?seed=59&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/quadratic_equation.html?seed=59&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C32%5D%2C%5B%22correct-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3Ex%20%3D%5C%5C%5C%5Cfrac%7B-5%20%5C%5C%5C%5Cpm%20%5C%5C%5C%5Csqrt%7B1%7D%7D%7B-12%7D%3C%2Fcode%3E%5C%22%22%2C12%5D%5D)

["None of the above.","x =\\frac{-5 \\pm \\sqrt{1}}{-12}"]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.75 Safari/535.7

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