Question

What are 2 values of b that will make 2x^2 - bx - 20 factorable? Explain your answer.

A: ?

Answer 1

(2x-20)(x+1) for example would be

2 x^2 - 18 x - 20

(2 x - 10)(x + 2) would be

2 x^2 - 6 x - 20

so 18 or 6 would work

Answer 2

12