jmc

The given product can be rewritten in the form $(a-b)(a^2+ab+b^2)$, which is the factorization of $a^3-b^3$ for $a=2x^3$ and $b=5y^2$. Therefore, the expression can be rewritten as $a^3-b^3=(2x^3{)}^3-(5y^2{)}^3=\boxed{8x^9-125y^6}$.