x-(2/x)-(7/3)=0

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Solution for x-(2/x)-(7/3)=0 equation: 


D( x )

x = 0

x = 0

x = 0

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

x-(2/x)-(7/3) = 0

x-2*x^-1-7/3 = 0

1*x^1-2*x^-1-7/3*x^0 = 0

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

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

x^1

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

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

DELTA = (-7/3)^2-(-2*1*4)

DELTA = 121/9

DELTA > 0

x = ((121/9)^(1/2)-(-7/3))/(1*2) or x = (-(-7/3)-(121/9)^(1/2))/(1*2)

x = 3 or x = -2/3

x in { -2/3, 3} 

x in { -2/3, 3 }

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