Can anyone explain to me what happened here?
I understand that the 2 on the bottom is cause the denominator has to be the same, but I don't understand what happened on top.
Can anyone explain to me what happened here?
I understand that the 2 on the bottom is cause the denominator has to be the same, but I don't understand what happened on top.
. because
After that you can add the remaining '2' to , because all these terms have the same denominator!