Question

Perform the operation. Give the answer in a + bi form. (2 − 2i)(3 + i)

Answer 1

`\boxed{8-4i}`

Explanation:

We know that
`i^2=-1`

`(2-2i)(3+i) = 6 + 2i -6i -2i^2\\`

= -4i+6+2

=8-4i