(2-3i)(1-i)-(3-i)(3+i)
use good old-fashioned FOIL to expand , then simplify
I will get you started ....
(2-3i)(1-i)-(3-i)(3+i)
= 2 - 2i - 3i + 3i^2 .......
= ....
I will get you started ....
(2-3i)(1-i)-(3-i)(3+i)
= 2 - 2i - 3i + 3i^2 .......
= ....