Question

How do you simplify `(8-2i)^2`?

Answer 1

I found: `60-32i`

Explanation:

We can rite it as:
`(8-2i)(8-2i)=(8*8)-(2*8i)-(2*8i)+(2*2*i*i)=64-16i-16i+4i^2=`
but `i^2=(sqrt(-1))^2=-1`
so:
`=64-32i-4=60-32i`