x^2=36/4

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Solution for x^2=36/4 equation: 


x in (-oo:+oo)

x^2 = 36/4 // - 36/4

x^2-(36/4) = 0

x^2-9 = 0

1*x^2 = 9 // : 1

x^2 = 9

x^2 = 9 // ^ 1/2

abs(x) = 3

x = 3 or x = -3

x in { 3, -3 }

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