Question

Factor completely

x^2+15x+50
(x - 5)(x - 10)

(x + 5)(x + 10)

(x - 5)(x + 10)

(x + 25)(x + 2)

Answer 1

The answer would be the second one, (x+5)(x+10), because the 5 and 10 multiply to be 50 and the both add up to be a positive 15.