0=x-(25/x^2)

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Solution for 0=x-(25/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)

0 = x-(25/(x^2)) // - x-(25/(x^2))

25/(x^2)-x+0 = 0

25/(x^2)-x = 0

25*x^-2-x = 0

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

25*x^-3 = 1 // : 25

x^-3 = 1/25

-3 < 0

1/(x^3) = 1/25 // * x^3

1 = 1/25*x^3 // : 1/25

25 = x^3

x^3 = 25 // ^ 1/3

x = 25^(1/3)

x = 0

x = 0

x in { 0} 

x = 25^(1/3)

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