Question

What is the factored form of x^3-1? A. (x^3-1) (x^2 + x + 1) B. (x - 1) (x^2 - x + 1) C. (x - 1) (x^2 + x +1 ) D. (x^3 - 1) (x^2 + 2x + 1)

Answer 1

C. (x - 1) (x^2 + x +1 )

Explanation:

x^2 +x +1

x x^3 x^2 x

-1 -x^2 -x -1

If you multiply it out it equals the answer