7/x+6-6=7x+18/x+6

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Solution for 7/x+6-6=7x+18/x+6 equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x-6+6 = 7*x+18/x+6 // - 7*x+18/x+6

7/x-(7*x)-(18/x)-6-6+6 = 0

7/x-7*x-18*x^-1-6-6+6 = 0

-7*x^1-11*x^-1-6*x^0 = 0

(-7*x^2-6*x^1-11*x^0)/(x^1) = 0 // * x^2

x^1*(-7*x^2-6*x^1-11*x^0) = 0

x^1

-7*x^2-6*x-11 = 0

-7*x^2-6*x-11 = 0

DELTA = (-6)^2-(-11*(-7)*4)

DELTA = -272

DELTA < 0

x in { } 

x belongs to the empty set

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