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I can get 2 of the 3 answers to the problem.

3x2/3 -5x2/3 + 2=0
I can get 1 and -1 as answers, but the book also has 2square root of 6 divided by 9
as the third answer. How do you work this equation to get that answer?

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from the equation: 3x2/3 -5x2/3 + 2=0
we assume that 3x2/3 is 3*x^(2/3)
(x to the ...