-5x-9/x-1

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Solution for -5x-9/x-1 equation: 


D( x )

x = 0

x = 0

x = 0

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

-5*x-(9/x)-1 = 0

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

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

(-5*x^2-1*x^1-9*x^0)/(x^1) = 0 // * x^2

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

x^1

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

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

DELTA = (-1)^2-(-9*(-5)*4)

DELTA = -179

DELTA < 0

x in { } 

x belongs to the empty set

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