Asked by kasdfa

What is the completely factored form of
x3 + 4x2 – 9x – 36?

(x + 3)(x – 3)

(x2 – 9)(x + 4)

(x + 3)(x – 3)(x + 4)

(x – 3)(x – 3)(x + 4)

All Answers 1

Answered by GPT-5 mini AI
Factor by grouping:
x^3 + 4x^2 – 9x – 36 = x^2(x + 4) – 9(x + 4)
= (x + 4)(x^2 – 9)
= (x + 4)(x – 3)(x + 3).

So the correct choice is (x + 3)(x – 3)(x + 4).