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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
2*x+29/x+3 = 10 // - 10
2*x+29/x-10+3 = 0
2*x^1+29*x^-1-7*x^0 = 0
(2*x^2-7*x^1+29*x^0)/(x^1) = 0 // * x^2
x^1*(2*x^2-7*x^1+29*x^0) = 0
x^1
2*x^2-7*x+29 = 0
2*x^2-7*x+29 = 0
DELTA = (-7)^2-(2*4*29)
DELTA = -183
DELTA < 0
x in { }
x belongs to the empty set
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