Question 308441
{{{f(x)=x^2+x}}}
{{{f(2)=(2)^2+(2)}}}
{{{f(2)=4+(2)}}}
{{{highlight(f(2)=6)}}}
{{{f(-2)=(-2)^2+(-2)}}}
{{{f(-2)=4+(-2)}}}
{{{highlight(f(-2)=2)}}}