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8*x^2-(35/16) = 35/16 // - 35/16
8*x^2-(35/16)-(35/16) = 0
8*x^2-35/16-35/16 = 0
8*x^2 = 35/8 // : 8
x^2 = 35/64
x^2 = 35/64 // ^ 1/2
abs(x) = (35/64)^(1/2)
x = (35/64)^(1/2) or x = -(35/64)^(1/2)
x in { (35/64)^(1/2), -(35/64)^(1/2) }
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