2/3x^2=13

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Solution for 2/3x^2=13 equation: 


x in (-oo:+oo)

(2/3)*x^2 = 13 // - 13

(2/3)*x^2-13 = 0

2/3*x^2 = 13 // : 2/3

x^2 = 39/2

x^2 = 39/2 // ^ 1/2

abs(x) = (39/2)^(1/2)

x = (39/2)^(1/2) or x = -(39/2)^(1/2)

x in { (39/2)^(1/2), -(39/2)^(1/2) }

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