x^2=81/16

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Solution for x^2=81/16 equation: 


x in (-oo:+oo)

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

x^2-(81/16) = 0

x^2-81/16 = 0

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

x^2 = 81/16

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

abs(x) = 9/4

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

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

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