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(6*x^2)/3-((5*x^1)/3)-1 = 0
(6*x^2)/3+(-5/3)*x-1 = 0
2*x^2-5/3*x-1 = 0
DELTA = (-5/3)^2-(-1*2*4)
DELTA = 97/9
DELTA > 0
x = ((97/9)^(1/2)+5/3)/(2*2) or x = (5/3-(97/9)^(1/2))/(2*2)
x = ((97/9)^(1/2)+5/3)/4 or x = (5/3-(97/9)^(1/2))/4
x in { (5/3-(97/9)^(1/2))/4, ((97/9)^(1/2)+5/3)/4 }
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