jdorr59 jdorr59
  • 04-08-2014
  • Mathematics
contestada

(X+12) 2 ÷ x2-144
×-12. 12×-144

Respuesta :

pepe11
pepe11 pepe11
  • 04-08-2014
(x+12)² / (x-12)(x+12) = (x+12)/(x - 12) 

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