Could someone please clarify why we need to do the third step, my example only has three steps, but this one is a little more complex..
Thanks!
It's just a way to keep your mind on the fact that the 2 is in the denominator and can cancel a 2 in the numerators. You can probably just skip that step.
-Dan
Last edited by topsquark; Apr 11th 2013 at 06:13 AM.