x2/3+2x1/3-3=0

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Solution for x2/3+2x1/3-3=0 equation: 


x in (-oo:+oo)

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

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

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

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

DELTA = 40/9

DELTA > 0

x = ((40/9)^(1/2)-2/3)/(1/3*2) or x = (-(40/9)^(1/2)-2/3)/(1/3*2)

x = 3/2*((40/9)^(1/2)-2/3) or x = -3/2*((40/9)^(1/2)+2/3)

x in { -3/2*((40/9)^(1/2)+2/3), 3/2*((40/9)^(1/2)-2/3) }

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