x2/3-2x1/3-15=0

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Solution for x2/3-2x1/3-15=0 equation: 


x in (-oo:+oo)

(x^2)/3-((2*x^1)/3)-15 = 0

(x^2)/3+(-2/3)*x-15 = 0

1/3*x^2-2/3*x-15 = 0

DELTA = (-2/3)^2-(-15*1/3*4)

DELTA = 184/9

DELTA > 0

x = ((184/9)^(1/2)+2/3)/(1/3*2) or x = (2/3-(184/9)^(1/2))/(1/3*2)

x = 3/2*((184/9)^(1/2)+2/3) or x = 3/2*(2/3-(184/9)^(1/2))

x in { 3/2*(2/3-(184/9)^(1/2)), 3/2*((184/9)^(1/2)+2/3) }

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