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x^2-(2/3)-(26/9) = 0
x^2-2/3-26/9 = 0
1*x^2 = 32/9 // : 1
x^2 = 32/9
x^2 = 32/9 // ^ 1/2
abs(x) = (32/9)^(1/2)
x = (32/9)^(1/2) or x = -(32/9)^(1/2)
x in { (32/9)^(1/2), -(32/9)^(1/2) }
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