hii, i am not sure where I can post these problems, but they are very crucial and I just really need an "answer key". These are not specifically UIL problems, but they sure are somewhat helpful! So please if anyone has spare time provide a few answers thanks :D (I will update this overtime, and don't worry I am not cheating on my homework or anything, it is just reviewing my knowledge. :P)
simplify:
[unparseable or potentially dangerous latex formula] (not possible?)
[unparseable or potentially dangerous latex formula]
factor:
[unparseable or potentially dangerous latex formula] (not possible?)
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]