2x2/3+7x1/3-15=0

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Solution for 2x2/3+7x1/3-15=0 equation: 


x in (-oo:+oo)

(2*x^2)/3+(7*x^1)/3-15 = 0

(2*x^2)/3+(7*x)/3-15 = 0

2/3*x^2+7/3*x-15 = 0

DELTA = (7/3)^2-(-15*2/3*4)

DELTA = 409/9

DELTA > 0

x = ((409/9)^(1/2)-7/3)/(2/3*2) or x = (-(409/9)^(1/2)-7/3)/(2/3*2)

x = 3/4*((409/9)^(1/2)-7/3) or x = -3/4*((409/9)^(1/2)+7/3)

x in { -3/4*((409/9)^(1/2)+7/3), 3/4*((409/9)^(1/2)-7/3) }

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