Answer
$x^{\frac{8}{3}}(1+x^{\frac{2}{3}})$
Work Step by Step
$x^{\frac{8}{3}}+x^{\frac{10}{3}}=x^{\frac{8}{3}}(1)+x^{\frac{8}{3}}(x^{\frac{2}{3}})=x^{\frac{8}{3}}(1+x^{\frac{2}{3}})$
In this problem, we make use of the product rule, which holds that $a^{m}\times a^{n}=a^{m+n}$.