1/2x^3-x

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Solution for 1/2x^3-x equation: 


x in (-oo:+oo)

(1/2)*x^3-x = 0

1/2*x^3-x = 0

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

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

x^2 = 2

x^2 = 2 // ^ 1/2

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

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

x = 0

x = 0

x in { 2^(1/2), -2^(1/2), 0 }

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