1/4x^2-2/3x-1/3=0

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Solution for 1/4x^2-2/3x-1/3=0 equation: 


x in (-oo:+oo)

(1/4)*x^2-((2/3)*x)-(1/3) = 0

(1/4)*x^2+(-2/3)*x-1/3 = 0

1/4*x^2-2/3*x-1/3 = 0

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

DELTA = 7/9

DELTA > 0

x = ((7/9)^(1/2)+2/3)/(1/4*2) or x = (2/3-(7/9)^(1/2))/(1/4*2)

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

x in { 2*(2/3-(7/9)^(1/2)), 2*((7/9)^(1/2)+2/3) }

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