(-2/x^2-4)*(x-2/4)=0

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

(-2/(x^2)-4)*(x-1/2) = 0

(-2*x^-2-4)*(x-1/2) = 0

( -2*x^-2-4 )

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

x^-2 = -2

-2 < 0

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

1 = -2*x^2 // : -2

-1/2 = x^2

( x-1/2 )

x-1/2 = 0 // + 1/2

x = 1/2

x = 1/2

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