7x+3/x-1=-8/3

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Solution for 7x+3/x-1=-8/3 equation: 


D( x )

x = 0

x = 0

x = 0

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

7*x+3/x-1 = -8/3 // + -8/3

7*x+3/x-(-8/3)-1 = 0

7*x+3/x+8/3-1 = 0

7*x^1+3*x^-1+5/3*x^0 = 0

(7*x^2+5/3*x^1+3*x^0)/(x^1) = 0 // * x^2

x^1*(7*x^2+5/3*x^1+3*x^0) = 0

x^1

7*x^2+(5/3)*x+3 = 0

7*x^2+(5/3)*x+3 = 0

DELTA = (5/3)^2-(3*4*7)

DELTA = -731/9

DELTA < 0

x in { } 

x belongs to the empty set

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