Question 981729
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            The solution by  @CubeyThePenguin is  INCORRECT.


            I came to bring you a correct solution.



<pre>
{{{sqrt(18*x^3*w^12)}}} = {{{sqrt(2 * 3^2 * x^2 * x * w^12)}}} = {{{3xw^6*sqrt(2x)}}}.    <U>ANSWER</U>
</pre>

Solved (correctly).