Answer
The zeros of P(x) are -2, 3, and -3.
Work Step by Step
RECALL:
The factor theorem states that c is a zero of P if and only if $x-c$ is a factor of P(x).
$c=-2$ therefore $x-c = x-(-2)=x+2$
Divide P(x) by $x+1$ using synthetic division to have: