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x in (-oo:+oo)
x*((3*x-6)/2) = 17/3 // - 17/3
x*((3*x-6)/2)-(17/3) = 0
x*((3*x-6)/2)-17/3 = 0
(x*(3*x-6))/2-17/3 = 0
(3*x*(3*x-6))/(2*3)+(-17*2)/(2*3) = 0
3*x*(3*x-6)-17*2 = 0
9*x^2-18*x-34 = 0
9*x^2-18*x-34 = 0
9*x^2-18*x-34 = 0
DELTA = (-18)^2-(-34*4*9)
DELTA = 1548
DELTA > 0
x = (1548^(1/2)+18)/(2*9) or x = (18-1548^(1/2))/(2*9)
x = (6*43^(1/2)+18)/18 or x = (18-6*43^(1/2))/18
(x-((18-6*43^(1/2))/18))*(x-((6*43^(1/2)+18)/18)) = 0
((x-((18-6*43^(1/2))/18))*(x-((6*43^(1/2)+18)/18)))/(2*3) = 0
((x-((18-6*43^(1/2))/18))*(x-((6*43^(1/2)+18)/18)))/(2*3) = 0 // * 2*3
(x-((18-6*43^(1/2))/18))*(x-((6*43^(1/2)+18)/18)) = 0
( x-((18-6*43^(1/2))/18) )
x-((18-6*43^(1/2))/18) = 0 // + (18-6*43^(1/2))/18
x = (18-6*43^(1/2))/18
( x-((6*43^(1/2)+18)/18) )
x-((6*43^(1/2)+18)/18) = 0 // + (6*43^(1/2)+18)/18
x = (6*43^(1/2)+18)/18
x in { (18-6*43^(1/2))/18, (6*43^(1/2)+18)/18 }
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