Question

What’s the answer to this

Answer 1

(x + 3) (x - 5) thus: B) is the answer

Explanation:

Simplify the following:

x^2 - 2 x - 15

The factors of -15 that sum to -2 are 3 and -5. So, x^2 - 2 x - 15 = (x + 3) (x - 5):

Answer: (x + 3) (x - 5)