Khan/khan-exercises — Issue #9009: Solving quadratics by factoring - left or right
Author: KhanBugz
Created: 2011-12-19 20:16:56+00:00
State: open
Labels: ie8, ie9, win7, wrong-or-unclear

((5x)squared)+80x+320
the answer is x=8 but it says it is wrong.

[solving_quadratics_by_factoring.html?seed=11&problem=one-root](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/solving_quadratics_by_factoring.html?seed=11&problem=one-root&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/solving_quadratics_by_factoring.html?seed=11&problem=one-root&debug&activity=%5B%5D)

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