Carilah operasi aljabar berikut F(x)=3x-9 g(x)=x-3

F (x) =3x-9
g (x) =x-3
(F o g) (x) = F (g(x))
=3 (x-3)-9
=3x-9-9
=3x-18

Kalau mw cari nilai x nya
3x-18=0
3x=18
X=18/3
X=6