Question

How do you factor `2x^2-6x-8`?

Answer 1

`f(x) = 2(x^2 - 3x - 4).`

Factor the trinomial.

Since (a - b + c) = 0, one factor is (x + 1) and the other is (x - 4)

f(x) = 2(x + 1)(x - 4).