Question

What are the factors of x2 – 4x – 5? Check all that apply.

Answer 1

x² - 4x - 5 = ( x + 1)(x - 5)

Explanation:

x² - 4x - 5 =

x² + x - 5x - 5 =

x(x + 1) - 5(x + 1) =

( x + 1)(x - 5)