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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
2*x-((8/8)*x)-((48/3)*x)-(12/x)-24 = 0
2*x-x-16*x-12*x^-1-24 = 0
-15*x^1-12*x^-1-24*x^0 = 0
(-15*x^2-24*x^1-12*x^0)/(x^1) = 0 // * x^2
x^1*(-15*x^2-24*x^1-12*x^0) = 0
x^1
-15*x^2-24*x-12 = 0
-15*x^2-24*x-12 = 0
DELTA = (-24)^2-(-15*(-12)*4)
DELTA = -144
DELTA < 0
x in { }
x belongs to the empty set
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