SOLUTION: 4-8i/4i

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Question 985131: 4-8i/4i
Answer by ikleyn(52790) About Me  (Show Source):
You can put this solution on YOUR website!

%284+-+8i%29%2F%284i%29 = 4%2F%284i%29 - %288i%29%2F%284i%29 = 1%2Fi - 2 =

= i%2F%28i%2Ai%29%29 - 2 = i%2Fi%5E2 - 2 =         (recall that i%5E2 = -1)

= i%2F%28-1%29 - 2 = -i - 2 = -2 - i.