1/3x*x=30

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Solution for 1/3x*x=30 equation: 


x in (-oo:+oo)

(1/3)*x*x = 30 // - 30

(1/3)*x*x-30 = 0

1/3*x^2 = 30 // : 1/3

x^2 = 90

x^2 = 90 // ^ 1/2

abs(x) = 3*10^(1/2)

x = 3*10^(1/2) or x = -(3*10^(1/2))

x in { 3*10^(1/2), -(3*10^(1/2)) }

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