SOLUTION: Find the product of 5+ sqrt-36 and 1- sqrt-49, and express in simplist a+bi form

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Question 51619: Find the product of 5+ sqrt-36 and 1- sqrt-49, and express in simplist a+bi form
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
%28%285%2B+sqrt%28-36%29%29%28+1-+sqrt%28-49%29%29%29
(5+6i)(1-7i) [Use FOIL to multiply]
(5-35i+6i-42i^2) [Remember that (i^2=-1)]
5-35i+6i-(42)(-1)
5-35i+6i+42
47-29i