-4/x^2x=1/x-2

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Solution for -4/x^2x=1/x-2 equation: 


D( x )

x = 0

x^2 = 0

x = 0

x = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

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

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

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

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

-5*x^-1 = -2 // : -5

x^-1 = 2/5

-1 < 0

1/(x^1) = 2/5 // * x^1

1 = 2/5*x^1 // : 2/5

5/2 = x^1

x = 5/2

x = 5/2

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