((-2x^2)-4)/(x^2)

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Solution for ((-2x^2)-4)/(x^2) 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^2-4)/(x^2) = 0

-2*x^2 = 4 // : -2

x^2 = -2

x belongs to the empty set

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