YOUR TURN
(3 + 2i) + (1 − 5i) = ?
Show the answer
4 − 3i
On the calculator: 
3 
2 
1 
5 
With pen and paper: (3 + 1) + (2 − 5)i → 4 − 3i
(3 + 2i) + (1 − 5i) = ?
4 − 3i
On the calculator: 3 2 1 5
With pen and paper: (3 + 1) + (2 − 5)i → 4 − 3i
▶ Watch this step in the video (1:42:53)