Answer:
(4 , 12) or (-1 , 7)
Explanation:
graph on desmos and there is 2 answers (4 , 12) and (-1 , 7)
-1 or 4
f(x) = g(x)
-x^2 + 4x + 12=x + 8
-x^2+3x+4=0
(x+1)(x-4)=0
x=-1,x=4
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