Starting with:
First, the difference of 2 squares shows that
Sub that in and multiply both sides by
:
This easily simplifies to
See if you can continue from here. If not, leave a comment and I or someone else can show you the rest.
First, the difference of 2 squares shows that
Sub that in and multiply both sides by
This easily simplifies to
See if you can continue from here. If not, leave a comment and I or someone else can show you the rest.