x2+3/x=28/x

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Solution for x2+3/x=28/x equation: 


D( x )

x = 0

x = 0

x = 0

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

x^2+3/x = 28/x // - 28/x

x^2+3/x-(28/x) = 0

x^2+3/x-28*x^-1 = 0

x^2-25*x^-1 = 0

x^-1*(x^3-25) = 0

1*x^3 = 25 // : 1

x^3 = 25

x^3 = 25 // ^ 1/3

x = 25^(1/3)

1/x = 0

1*x^-1 = 0 // : 1

x^-1 = 0

x naleu017Cy do O

x = 25^(1/3)

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