3/3-x-1/x-3

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Solution for 3/3-x-1/x-3 equation: 


D( x )

x = 0

x = 0

x = 0

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

3/3-x-(1/x)-3 = 0

3/3-x-x^-1-3 = 0

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

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

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

x^1

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

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

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

DELTA = 0

x = 2/(-1*2)

x = -1 or x = -1

x in { -1, -1} 

x in { -1, -1 }

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