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(3*x^2)/3-((14*x^1)/3)-5 = 0
(3*x^2)/3+(-14/3)*x-5 = 0
x^2-14/3*x-5 = 0
DELTA = (-14/3)^2-(-5*1*4)
DELTA = 376/9
DELTA > 0
x = ((376/9)^(1/2)+14/3)/(1*2) or x = (14/3-(376/9)^(1/2))/(1*2)
x = ((376/9)^(1/2)+14/3)/2 or x = (14/3-(376/9)^(1/2))/2
x in { (14/3-(376/9)^(1/2))/2, ((376/9)^(1/2)+14/3)/2 }
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