Question

WORTH 15 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

What is the factored form of the expression x2 - 2x - 15?
(x-1)(x+15)
(x+1)(x-15)
(x+3)(x-5)
(x-3)(x-5)
(x-3)(x+5)
(x+3)(x+5)

Answer 1

(x-5)(x+3)

Explanation:

x^2-2x-15

factor out the trinomial

(x-5)(x+3)