4x^2-9/121=0

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Solution for 4x^2-9/121=0 equation: 


x in (-oo:+oo)

4*x^2-(9/121) = 0

4*x^2-9/121 = 0

4*x^2 = 9/121 // : 4

x^2 = 9/484

x^2 = 9/484 // ^ 1/2

abs(x) = 3/22

x = 3/22 or x = -3/22

x in { 3/22, -3/22 }

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