Use the Factor Theorem to determine whether x+3 is a factor of P(x) = x^3+2x^2-2x-9. Specifically, evaluate P at the proper value, and then determine whether x+3 is a factor.

Answer 1

P(-3) = (-3)^3 + 2(-3) ^2 -2(-3) - 9 = -27+18+6-9 = -12 (x+3) is not a factor, as -3 is not a root