Jika di ketahui f(x)=x-3 dan g(x)=x²+2x,hasil dari (gox)(x)=

f(x)=x-3
g(x)=x²+2x
(g•x)(x) = f(x)
= x-3
= (x-3)²+2(x-3)
= (x-3)(x-3)+2x-6
= x²-3x-3x+9+2x-6
= x²-3x-3x+2x+9-6
= x²-11x+4
mf klo salah