Question 126165
perform the indicated operation 
3/(x+1) + 2/(x-1)

least common denominator is (x+1)(x-1)

=3 (x-1)/lcm + 2(x+1)/lcm

= [3x-3+2x+2]/lcm

= [5x-1]/[(x+1)(x-1)]
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Cheers,
Stan H.