Question

Which of the binomials below is a factor of this trinomial?

x^2 - 5x - 36

A. x - 7

B. x + 4

C. x^2 + 7

D. x - 4

Answer 1

B

Explanation:

x² - 5x - 36 = (x - 9)(x + 4)

x² + (a + b)x + ab = (x + a)(x + b)