x^2/x^2+13*x+14/x

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Solution for x^2/x^2+13*x+14/x equation: 


D( x )

x = 0

x^2 = 0

x = 0

x = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

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

13*x+14/x+(x^2)/(x^2) = 0

13*x^1+14*x^-1+1*x^0 = 0

(13*x^2+1*x^1+14*x^0)/(x^1) = 0 // * x^2

x^1*(13*x^2+1*x^1+14*x^0) = 0

x^1

13*x^2+x+14 = 0

13*x^2+x+14 = 0

DELTA = 1^2-(4*13*14)

DELTA = -727

DELTA < 0

x in { } 

x belongs to the empty set

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