SOLUTION: Preform the indicated operations and then simplify z-4/z-5 - z+1/z+5 + z-15/z^2-25?

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Question 394860: Preform the indicated operations and then simplify z-4/z-5 - z+1/z+5 + z-15/z^2-25?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Preform the indicated operations and then simplify z-4/z-5 - z+1/z+5 + z-15/z^2-25?

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LCD = (x^2-25)
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%28z%5E2%2Bz-20-z%5E2%2B4z%2B5%2Bz-15%29%2F%28z%5E2-15%29
...
%286z-30%29%2F%28%28z%2B5%29%28z-5%29%29
..
%286%28z-5%29%29%2F%28%28z%2B5%29%28z-5%29%29
...
%286%28cross%28z-5%29%29%29%2F%28%28z%2B5%29%28cross%28z-5%29%29%29
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6%2F%28z%2B5%29
m.ananth@hotmail.ca