magalysalinas02 magalysalinas02
  • 06-12-2017
  • Mathematics
contestada

How many solutions does 9x^2-12x+4=0 have?

Respuesta :

Dawson14
Dawson14 Dawson14
  • 06-12-2017
9x^2-6x-6x+4=0 
3x(3x-2)-2(3x-2)=0 
(3x-2)(3x-2)=0 
x=2/3


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