Khan/khan-exercises — Issue #11774: Completing the square 1 - Question not about completing the square
Author: KhanBugz
Created: 2012-01-21 09:12:07+00:00
State: open
Labels: win7, wrong-or-unclear

The question x^2+4x is best solved by factoring _without_ completing the square.

[completing_the_square_1.html?seed=62&problem=original](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/completing_the_square_1.html?seed=62&problem=original&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/completing_the_square_1.html?seed=62&problem=original&debug&activity=%5B%5B%22correct-activity%22%2C%22%5B%5C%220%5C%22%2C%5C%22-4%5C%22%5D%22%2C715%5D%5D)

[["0","-4"]]

Opera/9.80 (Windows NT 6.1; U; en) Presto/2.9.168 Version/11.52

MathJax is loaded, ready, queue length: 0