Respuesta :

if ya meant
[tex]\frac{3r^3}{2r}[/tex] then
remember
[tex]\frac{x^m}{x^n}=x^{m-n}[/tex]

so

[tex]\frac{3r^3}{2r}=(\frac{3}{2})(\frac{r^3}{r^1})=(\frac{3}{2})(\frac{r^2}{1})=[/tex]
[tex]\frac{3r^2}{2}[/tex]