x^2/9=2

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Solution for x^2/9=2 equation: 


x in (-oo:+oo)

(x^2)/9 = 2 // - 2

(x^2)/9-2 = 0

1/9*x^2 = 2 // : 1/9

x^2 = 18

x^2 = 18 // ^ 1/2

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

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

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

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