4-25/x=9

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Solution for 4-25/x=9 equation: 


D( x )

x = 0

x = 0

x = 0

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

4-(25/x) = 9 // - 9

4-(25/x)-9 = 0

4-25*x^-1-9 = 0

-25*x^-1 = 5 // : -25

x^-1 = -1/5

-1 < 0

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

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

-5 = x^1

x = -5

x = -5

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