Question

Multiply (4+8i)(6-3i) I am coming up wth 48+36i.
Is this correct?

Answer 1

lets see: if we distribute this thru we get:

4+8i.6 + 4+8i.-31

4.6 + 8i.6 + 4.-3i + 8i.-3i

24 + 48i -12i -24i^2

24 +36i +24

48 +36i

Answer 2

its correct; a simplified form is:

12(4+3i)

Answer 3

Thank you!

Answer 4

yw :)