Khan/khan-exercises — Issue #14528: Pre-algebra challenge - CAN'T DO IT
Author: KhanBugz
Created: 2012-02-23 20:31:37+00:00
State: open
Labels: chrome, hard, xp

I CAN'T DO THIS.

[pre-algebra_challenge.html?seed=76&problem=perfect-squares (simplifying_radicals)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=76&problem=perfect-squares&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=76&problem=perfect-squares&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B121%2C3%5D%22%2C42%5D%2C%5B%22incorrect-activity%22%2C%22%5B3%2C5%5D%22%2C11%5D%2C%5B%22hint-activity%22%2C%220%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B121%2C11%5D%22%2C12%5D%2C%5B%22incorrect-activity%22%2C%22%5B11%2C121%5D%22%2C8%5D%2C%5B%22incorrect-activity%22%2C%22%5B11%2C121%5D%22%2C11%5D%5D)

[[121,3],[3,5],[121,11],[11,121],[11,121]]

Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11

MathJax is loaded, ready, queue length: 0