f(g(-4)) = 3(-4)^2 -2(-4)
f(g(-4)) = 56
g(f(2)) = + 3 ?
g(f(2))= 3 ???
(I guess you didn't write the whole question, all you have to do is to replace "x" with the given value, in this case for g(f(2)) the given value is 2)
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