The Factor Theorem

Question

Use the Factor Theorem to determine whether x + 3 is a factor of P(x) = x³ + 4x² - 9.Specifically, evaluate P at the proper value, and then determine whether x + 3 is a factor.

Is x+3 a factor of P(x) or not

P(?) = ?

Answer 1

Yes, x+3 is a factor of P(x)

P(-3) =0