1/3x^2-4=23

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Solution for 1/3x^2-4=23 equation: 


x in (-oo:+oo)

(1/3)*x^2-4 = 23 // - 23

(1/3)*x^2-23-4 = 0

1/3*x^2 = 27 // : 1/3

x^2 = 81

x^2 = 81 // ^ 1/2

abs(x) = 9

x = 9 or x = -9

x in { 9, -9 }

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