:P
so basicly take two number lines. rotate one 90° and call it imaginary
x+yi become a co ordinate (x,y)
we can multiply these co ordinates.so we can end up having a statment like "k^4=81cis(pi)"
k_1 is the 4th root of 81cis(pi) (or -81)
and we do that x amount of times. its fun.