x^(7/3)+81x

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Solution for x^(7/3)+81x equation: 


x in (-oo:+oo)

x^(7/3)+81*x = 0

x^(7/3)+81*x = 0

x*(x^(4/3)+81) = 0

1*x^(4/3) = -81 // : 1

x^(4/3) = -81

x^(4/3) = -81 // ^ 3

x = 0

x = 0

x = 0

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