x^2-1/3x=8

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Solution for x^2-1/3x=8 equation: 


x in (-oo:+oo)

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

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

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

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

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

DELTA = 289/9

DELTA > 0

x = ((289/9)^(1/2)+1/3)/(1*2) or x = (1/3-(289/9)^(1/2))/(1*2)

x = 3 or x = -8/3

x in { -8/3, 3 }

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