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X^2/3 (8x) ^1/3

Thanks!

 

Answer should be __x

 May 23, 2017
 #1
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\(x^{\frac23}(8x)^{\frac13} \\~\\ =x^{\frac23}\cdot 8^{\frac13} \cdot x^{\frac13} \\~\\ =x^{\frac23+\frac13}\cdot 2 \\~\\ =x^{\frac33}\cdot2 \\~\\ =x^1\cdot2 \\~\\ =2x\)

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 May 23, 2017
 #2
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+1

Thanks!

Guest May 23, 2017

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