x^2/3=15

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Solution for x^2/3=15 equation: 


x in (-oo:+oo)

(x^2)/3 = 15 // - 15

(x^2)/3-15 = 0

1/3*x^2 = 15 // : 1/3

x^2 = 45

x^2 = 45 // ^ 1/2

abs(x) = 3*5^(1/2)

x = 3*5^(1/2) or x = -(3*5^(1/2))

x in { 3*5^(1/2), -(3*5^(1/2)) }

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