understar understar
  • 14-12-2016
  • Mathematics
contestada

the sum of 1/x+1 and 3/x^2-1 expressed as a single fraction is? please help

Respuesta :

red5675
red5675 red5675
  • 14-12-2016
express as a single fraction in its simplest form as a single fraction in its simplest form 

3/(x+1) – 1/(x-2) 


the answer is 2x-7/(x+1)(x-2) 
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