## Intermediate Algebra (6th Edition)

$8xy^{2}+2x^{3}+3x^{2}-3$
We are given the expression $(-3+4x^{2}+7xy^{2})+(2x^{3}-x^{2}+xy^{2})$. We can combine like terms to simplify. $(7xy^{2}+xy^{2})+2x^{3}+(4x^{2}-x^{2})-3=8xy^{2}+2x^{3}+3x^{2}-3$