Question

Select the correct answer.

Which expression is a factor of this polynomial?
x³ + 2x²
9x18
-
O A. (x + 2)
B. (x - 2)
OC. (x-6)
OD. (x + 1)

Answer 1

A. (x + 2)

Explanation:

(x^3 + 2x^2) + (9x + 18)

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

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