SOLUTION: Hello, I need help with (5+3i) - (3-5i) + square root -1 can you please show me to do this problem. it's not so that i need the answer--I need to understand how to complete th

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Hello, I need help with (5+3i) - (3-5i) + square root -1 can you please show me to do this problem. it's not so that i need the answer--I need to understand how to complete th      Log On


   

Question 841437: Hello,
I need help with (5+3i) - (3-5i) + square root -1
can you please show me to do this problem. it's not so that i need the answer--I need to understand how to complete this. Thank you.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
By definition i+=+sqrt%28-1%29

%285%2B3i%29+-+%283-5i%29+%2B+sqrt%28-1%29

%285%2B3i%29+-+%283-5i%29+%2B+i

5%2B3i+-+3%2B5i+%2B+i

%285-3%29%2B%283i%2B5i+%2B+i%29

2%2B9i

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So, %285%2B3i%29+-+%283-5i%29+%2B+sqrt%28-1%29 simplifies to 2%2B9i