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 Post subject: Algebra IV - Prob 27Posted: Thu Jun 16, 2011 4:39 pm

Joined: Mon Jun 13, 2011 5:36 pm
Posts: 2
A number x is multiplied by 3, and this product is then divided by 5. IF the positive square root of the result of these two operations equals x, what is the value of x if x <> 0?

I don't understand on the answer how after they factor out X, they leave it as blank??

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Noah
CHICAGO | GMAT JUNE 30th

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 Post subject: Re: Algebra IV - Prob 27Posted: Sat Jun 18, 2011 3:57 am

Joined: Thu Feb 12, 2009 6:32 pm
Posts: 497
sqrt(3x/5) = x

square both sides

3x/5 = x^2

divide both sides by x

3/5 = x

- Veritas Help

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