Question 157983
{{{R(x)=x^3 + x^2}}} Start with the given equation.



{{{R(-1)=(-1)^3 + (-1)^2}}} Plug in {{{x=-1}}}.



{{{R(-1)=-1+(-1)^2}}} Cube {{{-1}}} to get {{{-1}}}.



{{{R(-1)=-1+1}}} Square {{{-1}}} to get {{{1}}}.



{{{R(-1)=0}}} Combine like terms.