4/x+5

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Solution for 4/x+5 equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x+5 = 0

4*x^-1 = -5 // : 4

x^-1 = -5/4

-1 < 0

1/(x^1) = -5/4 // * x^1

1 = -5/4*x^1 // : -5/4

-4/5 = x^1

x = -4/5

x = -4/5

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