Question

factor x^3-216

Answer 1

go to this web site for answer : http://www.wolframalpha.com/input/?i=factor+x%5E3-216

Answer 2

there's a minus sign in the original problem so the format will be like this
(a-b)(a^2+ab+b^2)
a = x b = 6 because the cube root of 216 is 6