3x-18/x-5x-6

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Solution for 3x-18/x-5x-6 equation:


D( x )

x = 0

x = 0

x = 0

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

3*x-(5*x)-(18/x)-6 = 0

3*x-5*x-18*x^-1-6 = 0

-2*x^1-18*x^-1-6*x^0 = 0

(-2*x^2-6*x^1-18*x^0)/(x^1) = 0 // * x^2

x^1*(-2*x^2-6*x^1-18*x^0) = 0

x^1

-2*x^2-6*x-18 = 0

-2*x^2-6*x-18 = 0

DELTA = (-6)^2-(-18*(-2)*4)

DELTA = -108

DELTA < 0

x in { }

x belongs to the empty set

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