Question

Using the guess and check method, is this factored correctly?

x^2 + 18x + 45
Factors sets of 45: 1 * 45, 3 * 15, 5 * 9.
3 + 15 = 18

(x + 15) (x + 3)

Answer 1

yes it is :15+3=18, 15x3=45

Answer 2

Thanks!