SOLUTION: This test is very difficult and any help would be so very much appriciated, please reply asap. The problem is: Please Simplify 3-5i 2+7i

Algebra ->  Algebra  -> Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: This test is very difficult and any help would be so very much appriciated, please reply asap. The problem is: Please Simplify 3-5i 2+7i      Log On

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Question 122888: This test is very difficult and any help would be so very much appriciated, please reply asap. The problem is:
Please Simplify
3-5i
2+7i
Answer by jim_thompson5910(21667) About Me  (Show Source):
You can put this solution on YOUR website!
Is this the fraction %283-5i%29%2F%282%2B7i%29? And do you want to convert this into standard form?



Start with the given expression

Multiply the fraction by . Note: 2-7i is the complex conjugate of 2%2B7i

Foil and Multiply


Break up the fraction. So it is now in a%2Bbi form where a=-29%2F53 and b=-31%2F53