Hello jcbeta730Thanks for showing us your working. But you have a sign wrong. You should have

What you need to do now is to factorise the numerator.

You've obviously got a common factor of .

What is less obvious is that and have a common factor of . This is because .

And, in the same way, .

In all, then, you can take out a common factor from the two terms in the numerator to get:

Grandad