Answer
$x^3+4x^2-4x+6$
Work Step by Step
Clear the parentheses. to obtain:
$(x^3+3x^2+2)+(x^2-4x+4)=x^3+3x^2+2+x^2-4x+4$
Combine like terms.
$=x^3+(3x^2+x^2)-4x+(2+4)\\
=x^3+4x^2-4x+6$
Hence, the single polynomial answer in standard form is $x^3+4x^2-4x+6$.
