Answer:
x^3 + x^2 - 4x - 4.
Step-by-step explanation:
In factor form we have:
P(x) = (x - 2)(x + 1)(x + 2)
= (x + 1)(x - 2)(x + 2)
The last 2 factors simplify to the difference of 2 squares
= (x + 1)(x^2 - 4)
= x^3 - 4x + x^2 - 4
= x^3 + x^2 - 4x - 4.
