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x in (-oo:+oo)
((3*3^5*x)/(9^2))*x = 1/27 // - 1/27
((3*3^5*x)/(9^2))*x-(1/27) = 0
((3*3^5*x)/(9^2))*x-1/27 = 0
9*x^2 = 1/27 // : 9
x^2 = 1/243
x^2 = 1/243 // ^ 1/2
abs(x) = (1/243)^(1/2)
x = (1/243)^(1/2) or x = -(1/243)^(1/2)
x in { (1/243)^(1/2), -(1/243)^(1/2) }
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