merzanntie merzanntie
  • 26-11-2016
  • Mathematics
contestada

Simplify: x^2-9/x^2-6x+9
A. x+3/x-3
B. -9//6x+9
C. 1/6x-9
D. x-3/x+3

Respuesta :

Gyuky Gyuky
  • 26-11-2016
x^2-9/x^2-6x+9 = (x-3)(x+3) / (x-3)^2 = x+3/x-3  
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