Question

factor x^2-2x-8 step by step please

Answer 1

Factors of 8
1 and 8
2 and 4

We need to add to -2
We can use +2 and -4

(x + 2)(x - 4)

Check using FOIL
x^2 + 2x - 4x -8
x^2 - 2x - 8 :)