x+1/x+2=4/7

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Solution for x+1/x+2=4/7 equation: 


D( x )

x = 0

x = 0

x = 0

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

x+1/x+2 = 4/7 // - 4/7

x+1/x-(4/7)+2 = 0

x+1/x-4/7+2 = 0

1*x^1+1*x^-1+10/7*x^0 = 0

(1*x^2+10/7*x^1+1*x^0)/(x^1) = 0 // * x^2

x^1*(1*x^2+10/7*x^1+1*x^0) = 0

x^1

x^2+(10/7)*x+1 = 0

x^2+(10/7)*x+1 = 0

DELTA = (10/7)^2-(1*1*4)

DELTA = -96/49

DELTA < 0

x in { } 

x belongs to the empty set

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