-2x/x^2-2x

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Solution for -2x/x^2-2x equation: 


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

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

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

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

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

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

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

x^1

-2*x^2-2 = 0

-2*x^2-2 = 0

DELTA = 0^2-(-2*(-2)*4)

DELTA = -16

DELTA < 0

x in { } 

x belongs to the empty set

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