I typed the LaTeX wrong the first time, the last expression should read:
Give that one a shot yourself and tell me where you get stuck, I'll be here reading this so I can help you along. :)
Hint: Remember roots are on the bottom, so convert the...
Technically, you can go farther but this is the simplest and most compact form.
Remember when you are converting the square root into a fraction before you use the fractional exponent rule that, "Roots are located on the...