Question

How do you simplify complex number (-2+4i)-(3+9i)?

Answer 1

`-5-5i=-5(1+i)`

Explanation:

We start with:

`(-2+4i)-(3+9i)`

We can distribute the minus sign:

`-2+4i-3-9i`

and now combine like terms

`-5-5i=-5(1+i)`