Next, remove parentheses in the denominator. Remember that when you raise a power to a power you multiply exponents!!
Next, you can divide out the in the numerator with in the denominator, leaving in the denominator (subtract exponents!!). You can divide out the in the numerator with the in the denominator, leaving a in the denominator. The 2 stays in the numerator, and the 5 stays in the denominator.