# More Simplifying Rational Exponents

• Jan 8th 2012, 06:45 AM
choti96
More Simplifying Rational Exponents
Hi, Forum Friends.

I am flustered with this expression that I just cannot simplify.

Attachment 23206

Where should I begin? I know I should make the denominator:

$\frac{a^x}{a^y}=a^{x-y}$
$a^{x}\cdot a^y=a^{x+y}$