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6*x^2-(7*x)-((19/2)*x)-5 = 0
6*x^2-7*x+(-19/2)*x-5 = 0
6*x^2-33/2*x-5 = 0
DELTA = (-33/2)^2-(-5*4*6)
DELTA = 1569/4
DELTA > 0
x = ((1569/4)^(1/2)+33/2)/(2*6) or x = (33/2-(1569/4)^(1/2))/(2*6)
x = ((1569/4)^(1/2)+33/2)/12 or x = (33/2-(1569/4)^(1/2))/12
x in { (33/2-(1569/4)^(1/2))/12, ((1569/4)^(1/2)+33/2)/12 }
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