Question 1091714
{{{r(x)=3x-2}}}
{{{s(x)=6x}}}

Write the expressions for {{{(r*s)(x)}}} and {{{(r-s)(x)}}} and evaluate {{{(r+s)(-2)}}}.


{{{(r*s)(x)=(3x-2)*6x=18x^2-12x}}}
{{{(r-s)(x)=3x-2-6x=-3x-2}}}
{{{(r+s)(-2)=3(-2)-2+6(-2)=-6-2-12=-20}}}