9x^2=1/9

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Solution for 9x^2=1/9 equation: 


x in (-oo:+oo)

9*x^2 = 1/9 // - 1/9

9*x^2-(1/9) = 0

9*x^2-1/9 = 0

9*x^2 = 1/9 // : 9

x^2 = 1/81

x^2 = 1/81 // ^ 1/2

abs(x) = 1/9

x = 1/9 or x = -1/9

x in { 1/9, -1/9 }

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