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3*x^2-(10*x)+(3/3)*x-1 = 0
3*x^2-10*x+(3/3)*x-1 = 0
3*x^2-9*x-1 = 0
DELTA = (-9)^2-(-1*3*4)
DELTA = 93
DELTA > 0
x = (93^(1/2)+9)/(2*3) or x = (9-93^(1/2))/(2*3)
x = (93^(1/2)+9)/6 or x = (9-93^(1/2))/6
x in { (9-93^(1/2))/6, (93^(1/2)+9)/6 }
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