SOLUTION: Preform indicated operation reduce 3/x+1 + 2/x-1

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Question 163997This question is from textbook Elementary and Intermediate
: Preform indicated operation reduce
3/x+1 + 2/x-1
This question is from textbook Elementary and Intermediate

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
3/(x+1) + 2/(x-1)
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lcd = (x-1)(x+1)
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Rewrite each equation with the lcd as its denominator:
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[3(x-1)]/lcd + [2(x+1)]lcd
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Combine thenumerators over the lcd:
[3x-3+2x+2]/lcd
= [5x-1]/[(x+1)(x-1)]
= [5x-1] / [x^2-1]
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Cheers,
Stan H.

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