What are two numbers whose sum equals -12 and product equals -108

Answer 1

x + y = -12
y = -12-x

xy = -108
x(-12-x) = -108
-12x - x^2 = -108
x^2 + 12x - 108 = 0
(x+18)(x-6) = 0
x = -18 or x = 6

if x = 6, then y = -18
if x = -18, then y = 6

in short the two numbers are 6 and -18