LON-CAPA alg_ratExpr001.problem

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$\textrm{Simplify: } \left( \frac{{6}x}{x\, - \,3}\, - \,\frac{{6}x}{x\, + \,3} \right)\, \div \, \frac{{6}x}{(3\, - \,x)} \ =$

$\frac{6}{x\, + \,3}$

$\frac{-6}{x\, - \,3}$

$\frac{6}{x\, - \,3}$

$\frac{-6}{x\, + \,3}$

$\frac{-3}{x\, + \,3}$

$\textrm{None of the above}$

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