x^2-1/3x-1/9=0

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Solution for x^2-1/3x-1/9=0 equation: 


x in (-oo:+oo)

x^2-((1/3)*x)-(1/9) = 0

x^2+(-1/3)*x-1/9 = 0

x^2-1/3*x-1/9 = 0

DELTA = (-1/3)^2-(-1/9*1*4)

DELTA = 5/9

DELTA > 0

x = ((5/9)^(1/2)+1/3)/(1*2) or x = (1/3-(5/9)^(1/2))/(1*2)

x = ((5/9)^(1/2)+1/3)/2 or x = (1/3-(5/9)^(1/2))/2

x in { (1/3-(5/9)^(1/2))/2, ((5/9)^(1/2)+1/3)/2 }

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