SOLUTION: Will you please show me how to write {{{ 7i-sqrt(-45)}}} in a+bi form?

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Question 747273: Will you please show me how to write +7i-sqrt%28-45%29 in a+bi form?
Answer by FrankM(1040) About Me  (Show Source):
You can put this solution on YOUR website!
+7i-sqrt%28-45%29
7i+-+sqrt+%28%28-5%29%289%29%29
7i+-+3+%28sqrt%28-5%29%29
7i+-+3+%28sqrt%285%29%29i
%287+-+3+%28sqrt%285%29%29%29i
There appears to be no real portion, only a coefficient of i