Question

Expand (3-2i)^2

Answer 1

have you tried to multiply it out?

Answer 2

(3-2i)^2
(3-2i)(3-2i)

Answer 3

3(3-2i)-2i(3-2i)
multiply and add like terms

Answer 4

and when you are done, don't forget that \(i^2=-1\)