f(x)=2x(3x+4) g(x)=2x-4 f•g=f(g(x)) =

semoga dapat membntu

F(x)= 2x(3x+4)
= 6x²+8x
g(x)=2x-4
f•g=f(g(x))
=6(2x-4)²+8(2x-4)
=24x²-96x+96+16x-32
=24x²-80x+64

semoga membantu