Question 174080
In the first place, you aren't really 'solving' anything; you are merely simplifying a complex expression.  Simplification steps as follows:


Step 1:  Factor the numerator and denominator of the dividend fraction.


Step 2:  Factor the denominator of the divisor fraction.  Hint:  Difference of two squares.


Step 3:  Invert the divisor fraction and multiply.


Step 4:  Eliminate factors common to both numerator and denominator.


Step 5:  Multiply the resulting binomials in the numerator using FOIL.