lew166 lew166
  • 03-01-2018
  • Mathematics
contestada

I need help remover the steps to solve this problem 4i(6-2i)

Respuesta :

TheAakash
TheAakash TheAakash
  • 03-01-2018
Basically, you just have to distribute, while remembering that i^2  = -1. So:
[tex]4i(6-2i)[/tex]

Turns into:
[tex](4i*6)-(4i*2i)[/tex]

Which is easy:
[tex]24i - 8i^2[/tex]

We figured out that i^2 = -1, so:
[tex]24i-8(-1) = 24i+8[/tex]

And that's your answer!
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