Khan/khan-exercises — Issue #11932: Pre-algebra challenge - problem unreasonable hard
Author: KhanBugz
Created: 2012-01-23 21:47:20+00:00
State: open
Labels: ie8, wrong-or-unclear, xp

Reporter: niceharrs1999@yahoo.com

This problem is to hard to do without more hints or more disprection.

[pre-algebra_challenge.html?seed=78&problem=perfect-squares (simplifying_radicals)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=78&problem=perfect-squares&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=78&problem=perfect-squares&debug&activity=%5B%5B%22hint-activity%22%2C%220%22%2C55%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C2%5D%22%2C68%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C2%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C2%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C2%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C2%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C35%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C7%5D%2C%5B%22incorrect-activity%22%2C%22%5B5%2C3%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C16%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C27%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C7%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C12%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C1%5D%2C%5B%22i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