SOLUTION: Add the rational expression. {{{(Z-1)/(z^2-1)}}}+{{{(2)/(5z+5)}}}

SOLUTION: Add the rational expression. {{{(Z-1)/(z^2-1)}}}+{{{(2)/(5z+5)}}}

Algebra.Com

Question 309528: Add the rational expression.
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Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
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Let's do some simplification first.

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