Question

Which are factors of x^2 – 4x – 5?

Answer 1

Explanation:

First you will multiply 5 by 1 the answer is 5 now you will find factors of 5 that when we add or subtract them the answer is 4 so

x2 - 5x + x - 5

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

(x + 1) and ( x - 5) are the factors of x2 - 4x - 5