SOLUTION: i dont want to know the answer i just want to know what i need to do to get the answer Simplify: 1+2i ---- 2-3i

Algebra ->  Equations -> SOLUTION: i dont want to know the answer i just want to know what i need to do to get the answer Simplify: 1+2i ---- 2-3i      Log On


   

Question 66962: i dont want to know the answer i just want to know what i need to do to get the answer
Simplify:
1+2i
----
2-3i
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
1+2i
----
2-3i
:
Multiply the equation by the conjugate of (2-3i) which is (2+3i)
:
%281%2B2i%29%2F%282-3i%29 * %282%2B3i%29%2F%282%2B3i%29 = %282%2B7i%2B6i%5E2%29%2F%284-9i%5E2%29
:
you should get it from here, remember i^2 = -1