SOLUTION: write in a+bi form- a(3+7i)+(5+i)(-3+6i)

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Question 256436: write in a+bi form- a(3+7i)+(5+i)(-3+6i)
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
The question was:
%283%2B7i%29%2B%285%2Bi%29%28-3%2B6i%29
so, first, we use foil and get
3+%2B+7i+-21+%2B27i
34i+-18