SOLUTION: simplify. (1-2i)^2 - (2-3i)^2

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Question 389454: simplify.
(1-2i)^2 - (2-3i)^2

Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
%281+-+2i%29%5E2+-+%282+-+3i%29%5E2

Note that complex numbers still follow the same rules of arithmetic as real numbers do. We use the difference of two squares: