g(x)=x^3-3x^2 ; Find g(2)
i hope this helps you x=2g (2)=2^3-3.2^2g (2)=8-3.4g (2)=8-12g (2)=-4
Just plug 2 into the x variables. 2^3-3(2)^28-3(4)=8-12==-4