SOLUTION: what is (2+i)^2-(3-i)^2

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Question 950257: what is (2+i)^2-(3-i)^2
Answer by jhaashok630(18) About Me  (Show Source):
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(2+i)^2-(3-i)^2
4+i^2+4i - 9 - i^2 +6i (a+b)^2=a^2+b^2+2ab
4-1+4i-9+1+6i
-5+10i