integral f(x)=(2x-2)(3x+1) dx=........?

f(x)=(2x-2)(3x+1)
f(x)=6x²+2x-6x-2
f(x)=6x²-4x-2

integral f(x) sama dengan,
integral f(x)=integral(6x²-4x-2)
[2x³-2x²-2x]+C

smoga membantush_!

f(x)=(6x^2+2x-6x-2)dx
f(x)=(6x^2-4x-2)dx
f'(x)=6x^3/3-4x^2/2-2x+C
f'(x)=2x^3-2x^2-2x+C