Question

When factored, the trinomials x2 + 2x − 15 and x2 + 7x + 10 have one binomial factor in common. What is this factor?

Answer 1

(x+5)

Explanation:

x^2 + 2x -15 = (x+5)(x-3)

x^2 + 7x + 10 = (x+5)(x+2)