(X/3)^2=22

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Solution for (X/3)^2=22 equation: 


X in (-oo:+oo)

(X/3)^2 = 22 // - 22

(X/3)^2-22 = 0

1/9*X^2 = 22 // : 1/9

X^2 = 198

X^2 = 198 // ^ 1/2

abs(X) = 3*22^(1/2)

X = 3*22^(1/2) or X = -(3*22^(1/2))

X in { 3*22^(1/2), -(3*22^(1/2)) }

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