Question

How do you combine like terms in `(-4+ 6i ) + ( 9- 2i )`?

Answer 1

`5 + 4i`

Explanation:

Combine the imaginary numbers and combine the real numbers.
`(-4 + 6i) + (9 - 2i) = -4 + 6i + 9 - 2i`
`= (-4 + 9) + (6i - 2i)`
`= 5 + 4i`