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(6*x^2)/3-((41*x^1)/3)-7 = 0
(6*x^2)/3+(-41/3)*x-7 = 0
2*x^2-41/3*x-7 = 0
DELTA = (-41/3)^2-(-7*2*4)
DELTA = 2185/9
DELTA > 0
x = ((2185/9)^(1/2)+41/3)/(2*2) or x = (41/3-(2185/9)^(1/2))/(2*2)
x = ((2185/9)^(1/2)+41/3)/4 or x = (41/3-(2185/9)^(1/2))/4
x in { (41/3-(2185/9)^(1/2))/4, ((2185/9)^(1/2)+41/3)/4 }
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