Question

If x – 9 is a factor of x2 – 5x – 36, what is the other factor?

x – 4
x + 4
x – 6
x + 6

Answer 1

B

Explanation:

Answer 2

x + 4

Explanation:

(x - 9)(x + 4)

FOIL

x^2 + 4x - 9x - 36 = x^2 - 5x - 36