x^2=49/81

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Solution for x^2=49/81 equation: 


x in (-oo:+oo)

x^2 = 49/81 // - 49/81

x^2-(49/81) = 0

x^2-49/81 = 0

1*x^2 = 49/81 // : 1

x^2 = 49/81

x^2 = 49/81 // ^ 1/2

abs(x) = 7/9

x = 7/9 or x = -7/9

x in { 7/9, -7/9 }

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