Question

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

Can I get a check on this one? I am not sure it's right.

Need to factor the expression completely.

Answer 1

yep. \[a^3+b^3=(a+b)(a^2-ab+b^2)\]

Answer 2

You can verify by multiplying , and then see if you get the original expression again