Question

How do you multiply `2.4i(18+12i)`?

Answer 1

`43.2i-28.8`.

Explanation:

The Expression `=2.4i(18+12i)`

`=2.4i*18+2.4i*12i`

`=43.2i+28.8i^2`

`=43.2i+28.8(-1)`

`=43.2i-28.8`.