(1/9)x^2=25

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Solution for (1/9)x^2=25 equation: 


x in (-oo:+oo)

(1/9)*x^2 = 25 // - 25

(1/9)*x^2-25 = 0

1/9*x^2 = 25 // : 1/9

x^2 = 225

x^2 = 225 // ^ 1/2

abs(x) = 15

x = 15 or x = -15

x in { 15, -15 }

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