Bila f(x) = 3x + 7 dan (fog)(x) = 6x² + 12x – 35 . tentukan g(x)?

F(x) = 3x+7
(fog)(x) = f(g(x)) = 6x²+12x-35
3(g(x))+7 = 6x²+12x-35
3(g(x)) = 6x²+12x-42
g(x) = 2x²+4x-14