SOLUTION: express each answer in the form a+bi 25 over 1+2i would you multiply both top and bottom by 1-2i?

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Question 62915: express each answer in the form a+bi
25 over 1+2i would you multiply both top and bottom by 1-2i?
Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
YES!!!
:
25%2F%281%2B2i%29
25%281-2i%29%2F%28%281%2B2i%29%281-2i%29%29
%2825-50i%29%2F%281-2i%2B2i-4i%5E2%29
%2825-50i%29%2F%281-4i%5E2%29 i^2=-1
%2825-50i%29%2F%281-4%28-1%29%29
%2825-50i%29%2F%281%2B4%29
%2825-50i%29%2F5
25%2F5-50i%2F5
5-10i
Happy Calculating!!!