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(3*x^2)/3-((17*x^1)/3)-6 = 0
(3*x^2)/3+(-17/3)*x-6 = 0
x^2-17/3*x-6 = 0
DELTA = (-17/3)^2-(-6*1*4)
DELTA = 505/9
DELTA > 0
x = ((505/9)^(1/2)+17/3)/(1*2) or x = (17/3-(505/9)^(1/2))/(1*2)
x = ((505/9)^(1/2)+17/3)/2 or x = (17/3-(505/9)^(1/2))/2
x in { (17/3-(505/9)^(1/2))/2, ((505/9)^(1/2)+17/3)/2 }
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