SOLUTION: Can you explain why x=plus/minus (2/3)^3/2 simplifies to: x=(2 square root of 6)/(9)?

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Question 491388: Can you explain why x=plus/minus (2/3)^3/2 simplifies to:
x=(2 square root of 6)/(9)?
Answer by Earlsdon(6294) About Me  (Show Source):