Am I working this problem properly?
If , and , find .
Working:
If , and then, = .
Am I correct, and is that the final answer?
I see! Because I should use F.O.I.L on making it
. Then I have to do simple addition of like terms to net a result of . Then do as you said and factor everything by 3.
Finally, expand the exponent so becomes:
Funny how I lost my head at this once the big words came out.......
Thank you for your help guys!