3x^(5/3)-21=0

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Solution for 3x^(5/3)-21=0 equation: 


x in (-oo:+oo)

3*x^(5/3)-21 = 0

3*x^(5/3) = 21 // : 3

x^(5/3) = 7

x^(5/3) = 7 // ^ 3

x^5 = 343 // ^ 1/5

x = 343^(1/5)

x = 343^(1/5)

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