# How do you simplify #-(2x)/a^-4# and write it using only positive exponents?

##### 1 Answer

Jan 7, 2017

#### Answer:

We can use a rule of exponents to simplify this expression. See full explanation below

#### Explanation:

We can use the following rule for exponents to simplify this expression to use only positive exponents:

Applying this to the expression in the problem gives: