### Home > CCA > Chapter 5 > Lesson 5.3.3 > Problem 5-120

5-120.

For the function *g*(*x*) = *x*^{3} + *x*^{2} − 6*x*, find the value of each expression below. Homework Help ✎

Substitute 1 for

*x*in the given equation and then evaluate.

6

8

Find at least one value of

*x*for which*g*(*x*) = 0.Let

*g*(*x*) = 0 in the original equation and then solve for*x*.*x*= −3, 0, 2

If

*f*(*x*) =*x*^{2}−*x*+ 3, find*g*(*x*) −*f*(*x*).*g*(*x*) −*f*(*x*) = (*x*^{3}+*x*^{2}− 6*x*) − (*x*^{2}−*x*+ 3)