jdorr59
jdorr59
04-08-2014
Mathematics
contestada
(X+12) 2 ÷ x2-144
×-12. 12×-144
Respuesta :
pepe11
pepe11
04-08-2014
(x+12)² / (x-12)(x+12) = (x+12)/(x - 12)
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