The answer is: 
The explanation is shown below:
1. You have the following expression given in the exercise above:
2. By applying the distributive property, you obtain:
3. Now, you must factor
in the numerator and 
in the denominator:
4. Simplify:
The explanation is shown below:
1. You have the following expression given in the exercise above:
2. By applying the distributive property, you obtain:
3. Now, you must factor
4. Simplify: