Hey there! I was looking at your question for a bit then realized you meant
, the imaginary number, not "1" at the end of each number.
- Complex numbers are numbers involving both real and imaginary numbers; thus, this question wouldn't make much sense without the imaginary number

The expression we are given is:

Open parenthesis and combine like terms:


This is answer choice B (assuming it's supposed to be an
and not a "1" at the end)
Let me know if you need any clarifications, thanks!
~ Padoru
I think I just had a stroke trying to read this