Answer:
x = -3, 4
y = -15, 8
Step-by-step explanation:
[tex]x-12=x^2-24\\0 = x^2 -x - 12\\(x +3)(x-4)=0\\x = -3,4[/tex]
[tex]y=(-3)^2-24\\y = 9-24\\y = -15\\or\\y = 4^2 - 24\\y = 16-24\\y=8[/tex]