x2/3-2x1/3-8=0

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Solution for x2/3-2x1/3-8=0 equation: 


x in (-oo:+oo)

(x^2)/3-((2*x^1)/3)-8 = 0

(x^2)/3+(-2/3)*x-8 = 0

1/3*x^2-2/3*x-8 = 0

DELTA = (-2/3)^2-(-8*1/3*4)

DELTA = 100/9

DELTA > 0

x = ((100/9)^(1/2)+2/3)/(1/3*2) or x = (2/3-(100/9)^(1/2))/(1/3*2)

x = 6 or x = -4

x in { -4, 6 }

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