x^2=16/81

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Solution for x^2=16/81 equation: 


x in (-oo:+oo)

x^2 = 16/81 // - 16/81

x^2-(16/81) = 0

x^2-16/81 = 0

1*x^2 = 16/81 // : 1

x^2 = 16/81

x^2 = 16/81 // ^ 1/2

abs(x) = 4/9

x = 4/9 or x = -4/9

x in { 4/9, -4/9 }

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