Khan/khan-exercises — Issue #9645: Algebra challenge - cant answer the quwstion
Author: KhanBugz
Created: 2011-12-27 23:37:30+00:00
State: open
Labels: ie8, ie9, other, win7

cant answer

[algebra_challenge.html?seed=76&problem=one-root (solving_quadratics_by_factoring)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=76&problem=one-root&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=76&problem=one-root&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%227%5C%22%22%2C75%5D%5D)

["7","7","7","7"]

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