Can someone help me simplify this

-216x^3 + 1

4 answers

-216x^3+1=1^3-(6x)^3
=(1-x)^3-3x(1-x)
-(6x-1)(36x^2 +6x +1)
go with Chol's answer, it is correct

it could also be written as
(1-6x)(36x^2 + 6x +1)
Sorry. I wanted it to be (1-6x)^3-3x6x(1-6x)