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(8*x^2)/3-((6*x^1)/3)-8 = 0
(8*x^2)/3-2*x-8 = 0
8/3*x^2-2*x-8 = 0
DELTA = (-2)^2-(-8*8/3*4)
DELTA = 268/3
DELTA > 0
x = ((268/3)^(1/2)+2)/(2*8/3) or x = (2-(268/3)^(1/2))/(2*8/3)
x = 3/16*((268/3)^(1/2)+2) or x = 3/16*(2-(268/3)^(1/2))
x in { 3/16*(2-(268/3)^(1/2)), 3/16*((268/3)^(1/2)+2) }
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