Question

How do you simplify `(5-2i)+(4+4i)`?

Answer 1

`9+2i`

Explanation:

When adding/subtracting complex numbers.

`•" Add/subtract the" color(red)" real parts"`

`•" Add/subtract the" color(blue)" imaginary parts"`

`rArrcolor(red)(5)color(blue)(-2i)color(red)(+4)color(blue)(+4i)`

`=9+2i`