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

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


x in (-oo:+oo)

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

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

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

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

DELTA = 16/9

DELTA > 0

x = ((16/9)^(1/2)+2/3)/(1*2) or x = (2/3-(16/9)^(1/2))/(1*2)

x = 1 or x = -1/3

x in { -1/3, 1 }

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