Homework Help: math

Posted by Corey on Thursday, December 11, 2008 at 4:02pm.

I need to know how to factor the following expression:

x^6 - y^6

The teacher said that the answer is (x+y)(x-y)(x^4+x^2y^2+y^4)

I need to know HOW to factor this.

Does it have anything to do with making x^6 = (x^2)^3??

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