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x^2-((4*x)/6)-((5*x)/3) = 1 // - 1
x^2-((4*x)/6)-((5*x)/3)-1 = 0
x^2+(-2/3)*x+(-5/3)*x-1 = 0
x^2-7/3*x-1 = 0
DELTA = (-7/3)^2-(-1*1*4)
DELTA = 85/9
DELTA > 0
x = ((85/9)^(1/2)+7/3)/(1*2) or x = (7/3-(85/9)^(1/2))/(1*2)
x = ((85/9)^(1/2)+7/3)/2 or x = (7/3-(85/9)^(1/2))/2
x in { (7/3-(85/9)^(1/2))/2, ((85/9)^(1/2)+7/3)/2 }
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