Question

What is the simplified form of the difference (5 – 7i) – (-4 +6i)?

Answer 1

So:

`(5-7i)-(-4+6i)`

The thing we have to do is just remove the parentheses and operate:

`5-7i+4-6i`
`-13i+9`

That since the product of the same sign (-*- & +*+) is positive.