Question

(1-5i)(4-2i) Slove with complex numbers please list all steps thank you

Answer 1

`-6-22i`

Explanation:

`(1-5i)(4-2i)\\\\(1)(4)+(1)(-2i)+(-5i)(4)+(-5i)(-2i)\\\\4-2i-20i+10i^2\\\\4-22i+10(-1)\\\\4-22i-10\\\\-6-22i`

Recall that
`i^2=-1`