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x^2-(9*x)+(14/4)*x-5 = 0
x^2-9*x+(14/4)*x-5 = 0
x^2-11/2*x-5 = 0
DELTA = (-11/2)^2-(-5*1*4)
DELTA = 201/4
DELTA > 0
x = ((201/4)^(1/2)+11/2)/(1*2) or x = (11/2-(201/4)^(1/2))/(1*2)
x = ((201/4)^(1/2)+11/2)/2 or x = (11/2-(201/4)^(1/2))/2
x in { (11/2-(201/4)^(1/2))/2, ((201/4)^(1/2)+11/2)/2 }
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