3x-x^3/2

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


x in (-oo:+oo)

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

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

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

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

x^2 = 6

x^2 = 6 // ^ 1/2

abs(x) = 6^(1/2)

x = 6^(1/2) or x = -6^(1/2)

x = 0

x = 0

x in { 6^(1/2), -6^(1/2), 0 }

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