You can
put this solution on YOUR website!This is a duplicate of problem number 35036

Assuming this is how your problem looks ... it is solved like this:
First of all ... anything that has an exponent of zero is equal to one

Next, Lay the fraction out three times, since it is cubed

The denominator is the easy one, lets deal with it first.
Multiply

Multiply the first two quantities in the numerator

Distribute out the second quantity