Question

how do you do this problem:
(a+b)x^2+ (a+b)x-20(a+B)

Answer 1

assuming you want to factor this:
= (a+b)(x^2 + x - 20)
= (a+b)(x+5)(x-4)

Answer 2

Thanks Jimmy rep, I need that to figure out how to reverse. :)

Answer 3

yw

Answer 4

on this assignment I need to reverse on this problem, so I kind of got lost what formula.