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(3/16)*x^9 = x // - x
(3/16)*x^9-x = 0
3/16*x^9-x = 0
x*(3/16*x^8-1) = 0
3/16*x^8 = 1 // : 3/16
x^8 = 16/3
x^8 = 16/3 // ^ 1/8
abs(x) = (16/3)^(1/8)
x = (16/3)^(1/8) or x = -(16/3)^(1/8)
x = 0
x = 0
x in { (16/3)^(1/8), -(16/3)^(1/8), 0 }
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