X/4-5/x=2

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Solution for X/4-5/x=2 equation: 


D( x )

x = 0

x = 0

x = 0

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

X/4-(5/x) = 2 // - 2

X/4-(5/x)-2 = 0

X/4-5*x^-1-2 = 0

-5*x^-1 = -(1/4*X-2) // : -5

x^-1 = (2-(1/4*X))/(-5)

-1 < 0

1/(x^1) = (2-(1/4*X))/(-5) // * x^1

1 = x^1*((2-(1/4*X))/(-5)) // : (2-(1/4*X))/(-5)

-5*(2-1/4*X)^-1 = x^1

x = -5*(2-1/4*X)^-1

x = -5*(2-1/4*X)^-1

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