f(x) =x^2-2x+6. g(x)= 3x^2+x+2 tentukan (f .g) (x) =...

f(x) = x²-2x+6
g(x) = 3x²+x+2
Tentukan (f.g) (x)!
f(x) . g(x)
= (x²-2x+6)(3x²+x+2)
= 3x⁴+x³+2x²-6x³-2x²-4x+18x²+6x+12
= 3x⁴+x³-6x³+2x²-2x²+18x²-4x+6x+12
= 3x⁴-5x³+18x²+2x+12