Can someone check my answer?

Question

5x^3 - 40
=5(x^3-8)
=5(x-2)(x^2+2x+4)

Also, how do you factor x^6-y^6 as a difference of cubes?
As a difference of squares, is it (x^3+y^3)(x^3-y^6)?

Answer 1

Yes.

typo: (x^3-y^3)