Question

Y = x2 – 24
y = x - 12

Answer 1

x = -3, 4

y = -15, 8

Explanation:

`x-12=x^2-24\\0 = x^2 -x - 12\\(x +3)(x-4)=0\\x = -3,4`

`y=(-3)^2-24\\y = 9-24\\y = -15\\or\\y = 4^2 - 24\\y = 16-24\\y=8`