Question

Factor x squared + 15x -54

Answer 1

(x+18)(x-3)
This can be found as 18*(-3)=-54 and 18+(-3)=15

Answer 2

(x-9)(x-6)
(x*x)+(-6*x)+(-9*x)+(-9*-6)
x^2 (x squared) + (-6x) + (-9x) +54
X^2 -6x-9x+54
x^2-15x+54