2x-5x-9/x-2

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Solution for 2x-5x-9/x-2 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

2*x-(5*x)-(9/x)-2 = 0

2*x-5*x-9*x^-1-2 = 0

-3*x^1-9*x^-1-2*x^0 = 0

(-3*x^2-2*x^1-9*x^0)/(x^1) = 0 // * x^2

x^1*(-3*x^2-2*x^1-9*x^0) = 0

x^1

-3*x^2-2*x-9 = 0

-3*x^2-2*x-9 = 0

DELTA = (-2)^2-(-9*(-3)*4)

DELTA = -104

DELTA < 0

x in { } 

x belongs to the empty set

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