Question

Which expression is a factor of this polynomial? x^3 + 2x^2 - 9x - 18

A (x+2)
B (x+1)
c (x-2)
d (x-6)

Answer 1

(x+2)(x-3)(x+3) this is ans

Answer 2

a. (x + 2)

Explanation:

x^2(x + 2) - 9(x + 2)

(x + 2)(x^2 - 9)

(x + 2)(x - 3)(x + 3)

Therefore the answer is (x + 2)