Question

(2-i)(2+i) please lmk the answer to this question.

Answer 1

The answer would be 5

Answer 2

`5`

Explanation:

`(2−i)(2+i)`

`2(2+i)−i(2+i)\\ 2⋅2+2i−i(2+i) \\2⋅2+2i−i⋅2−ii`

`4+2i−2i \\ 5+2i−2i \\ 5+0 \\ 5`

Hope it is helpful...