Question

Please write down and show every step in your work.

Simplify and write in standard form

`6+9i+(4i)(2i)`

Answer 1

-2 + 9i

Explanation:

Start by performing the multiplication 4i(2i): the end result is -8.

Then we have 6 + 9i - 8.

Combining ilke terms, we get:

-2 + 9i