4=(2x)^2/3

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Solution for 4=(2x)^2/3 equation: 


x in (-oo:+oo)

4 = ((2*x)^2)/3 // - ((2*x)^2)/3

4-(((2*x)^2)/3) = 0

-4/3*x^2 = -4 // : -4/3

x^2 = 3

x^2 = 3 // ^ 1/2

abs(x) = 3^(1/2)

x = 3^(1/2) or x = -3^(1/2)

x in { 3^(1/2), -3^(1/2) }

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