Question

Is this correct:

1. (7 - 2i) (-3 + 4i)

2. -21 + 28i + 6i - 8i ^2

3. -21 + (28i + 6i) + 8

because i^2 = -1 and -1 x - 8 = 8

4. -21 + 34i + 8

5. -13 + 34i.

solution is: -13 + 34i

Answer 1

Great work! :)

Answer 2

Great, thank you!!!!!!

Answer 3

I will like that you showed us your work. That is really really awesome. I'm gonna be your fan.

Answer 4

Thanks! Yeah, I figured it would help a lot more if I showed my work. In case I was wrong, someone could tell me where I went wrong!

Answer 5

:)