# What are the excluded values for the rational expression ((-3r)(10r^4))/(6r^5)?

Sep 10, 2017

See below

#### Explanation:

$\frac{\left(- 3 r\right) \left(10 {r}^{4}\right)}{6 {r}^{5}}$

Multiplying numerator:

$\frac{- 30 {r}^{5}}{6 {r}^{5}}$

Dividing;

$\frac{- 30 {r}^{5}}{6 {r}^{5}} \implies - 5$

The expression simplifies to $- 5$ for all $\mathbb{R}$