Question

What is a youth group that

Answer 1

(3+ 1i) (2 - 2i)

open the parenthesis

3(2 - 2i) + 1i(2 - 2i) (note: i² = -1)

6 - 6i + 2i + 2

Rearrange

6 + 2 - 6i + 2i

8 - 4i

comparing with a + bi

The real number a equals 8

The real number b equals -4