Question

How do you simplify `(-4-12i)-(3+8i)+8`?

Answer 1

I found: `1-20i`

Explanation:

Let us first get rid of the parentesis respecting the signs in front of them:
`-4-12icolor(red)(-3-8i)+8=`
and add together similar terms:
`=(-4-3+8)+(-12i-8i)=`
`=1-20i`