to do this problem you just set z= x+yi then just factor away right? i just need to know because homework is worth 40% of my grade in this class....ty very much!
No, it's not okay! It is very easy to look at a solution given by someone else and tell yourself that you understand it now, but even if you do understand every step, you have not had the experience of finding the steps for yourself- and that is where learning occurs.