Question

How do you combine like terms in `(- 2- 3i ) + ( - 8- 2i )`?

Answer 1

`-5i-10`

Explanation:

You have to remember that `i` represents `sqrt(-1)` and is a complex number. In this case, combining like terms are the same as with variables.

`(-2-3i)+(-8-2i)`
`=-2-3i-8-2i`
`=-10-5i`