1. The problem statement, all variables and given/known data https://wiki.math.ntnu.no/lib/exe/fetch.php?hash=d26b1f&media=http%3A%2F%2Fwww.math.ntnu.no%2Femner%2FTMA4115%2F2012v%2Fexams%2Fkont.eng.pdf [Broken] Assignment 1. "Find all complex numbers s such that Im(-z + i)= (z+i)2" What do I do? 2. Relevant equations 3. The attempt at a solution I got to Im(-z) + 1 = z2+2zi -1 => Im(-z) = (z-1+i)(z+1+i). But I have no idea what to do next... Or if I even have done anything useful so far. Help?