Khan/khan-exercises — Issue #14014: Adding and subtracting polynomials - will not go to next problem
Author: KhanBugz
Created: 2012-02-16 20:34:59+00:00
State: open
Labels: ie8, ie9, not-showing, win7

[adding_and_subtracting_polynomials.html?seed=4&problem=subtract](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_polynomials.html?seed=4&problem=subtract&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_polynomials.html?seed=4&problem=subtract&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%5C%5C%5C%22%3En%5E%7B2%7D-8n%3C%2Fcode%3E%5C%22%22%2C13%5D%5D)

["n^{2}-8n"]

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