x2/3-x-4/27=0

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Solution for x2/3-x-4/27=0 equation: 


x in (-oo:+oo)

(x^2)/3-x-(4/27) = 0

(x^2)/3-x-4/27 = 0

1/3*x^2-x-4/27 = 0

DELTA = (-1)^2-(-4/27*1/3*4)

DELTA = 97/81

DELTA > 0

x = ((97/81)^(1/2)+1)/(1/3*2) or x = (1-(97/81)^(1/2))/(1/3*2)

x = 3/2*((97/81)^(1/2)+1) or x = 3/2*(1-(97/81)^(1/2))

x in { 3/2*(1-(97/81)^(1/2)), 3/2*((97/81)^(1/2)+1) }

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