Question 209339
{{{ sqrt((18*u^2)/(b^3)) }}} ---> {{{sqrt((3^2*2*u^2)/(b^2*b))}}} ---> {{{highlight_green((3u/b)*sqrt(2/b))}}}


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{{{ 3sqrt((2x^3)/(27)) }}} ---> {{{3sqrt((2x^3)/(3^3))}}} ---> {{{highlight_green((x/3)3sqrt(2))}}}, or, {{{highlight_green(x/3)}}} * cube root of 2.