and
Hi I have a few more doubts!
How do I get from -(±(3-2i))^2 to (3i+2)^2?
I know the - sign in front is i^2, so I multiply it in..but if I multiply i^2 in isn't it (3i^2-2i^3)^2 instead, thus (-3+2i)^2?
Also, is |a-bi| = a+bi?
Thank you so so much!