dreaboo710
dreaboo710
01-11-2021
Mathematics
contestada
[tex]9x^2-6x+1=-12[/tex]
Respuesta :
mimilana
mimilana
01-11-2021
9x^2 -6x +1+12=0
9x^2 -6x +13=0
factorise
(3x-1)(3x-1) =0
so, x= 1/3
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