Question 1078739
{{{f(x)=x^3-4x+2}}}

{{{g(x)=x^2+2}}}

 
{{{(f*g)(x)=(x^3-4x+2)(x^2+2)}}}

 
{{{(f*g)(x)=x^5-4x^3+2x^2+2x^3-8x+4}}}

{{{(f*g)(x)=x^5-2x^3+2x^2-8x+4}}}