SOLUTION: (l-i)^2

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Question 509834: (l-i)^2
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
(l-i)^2
(l-i)(l-i)
FOIL:
1^2 -i -i + i^2
1 -2i + (-1)
-2i