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x^2-(14*x)-(14/6) = 0
x^2-14*x-7/3 = 0
x^2-14*x-7/3 = 0
DELTA = (-14)^2-(-7/3*1*4)
DELTA = 616/3
DELTA > 0
x = ((616/3)^(1/2)+14)/(1*2) or x = (14-(616/3)^(1/2))/(1*2)
x = ((616/3)^(1/2)+14)/2 or x = (14-(616/3)^(1/2))/2
x in { (14-(616/3)^(1/2))/2, ((616/3)^(1/2)+14)/2 }
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