Khan/khan-exercises — Issue #10610: Solving quadratics by factoring - Slightly different way of doing this
Author: KhanBugz
Created: 2012-01-07 19:28:00+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

Reporter: christilin@msn.com

With this particular problem (6x^2 +0 -294), a couple suggestions...

1) don't include the 0
2) factor using difference of squares in the hints

[solving_quadratics_by_factoring.html?seed=13&problem=original](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/solving_quadratics_by_factoring.html?seed=13&problem=original&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/solving_quadratics_by_factoring.html?seed=13&problem=original&debug&activity=%5B%5B%22correct-activity%22%2C%22%5B%5C%227%5C%22%2C%5C%22-7%5C%22%5D%22%2C42%5D%5D)

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

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7

MathJax is loaded, ready, queue length: 0