Question

How do you simplify `(1-2i)(3+4i)`?

Answer 1

`11-2i`

Explanation:

`(1-2i)(3+4i)`
Just Multiply terms
`=(1)(3+4i)-2i(3+4i)`
`=3+4i-6i-8i^2`

Using Property `i=sqrt-1` and `i^2=-1`
`=3-2i+8`
`=11-2i`