27x3-18/9x

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Solution for 27x3-18/9x equation: 


x in (-oo:+oo)

27*x^3-((18/9)*x) = 0

27*x^3-2*x = 0

27*x^3-2*x = 0

x*(27*x^2-2) = 0

27*x^2 = 2 // : 27

x^2 = 2/27

x^2 = 2/27 // ^ 1/2

abs(x) = (2/27)^(1/2)

x = (2/27)^(1/2) or x = -(2/27)^(1/2)

x = 0

x = 0

x in { (2/27)^(1/2), -(2/27)^(1/2), 0 }

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