Question 1023671

simplify 

\sqrt{-24} * \sqrt{-6}}
<pre>{{{sqrt(- 24) * sqrt(- 6)  }}}
{{{sqrt(- 1 * 4 * 6) * sqrt(- 1 * 6)}}}
{{{2i * sqrt(6) * i * sqrt(6)}}}  
{{{2i^2 * sqrt(36)}}} = 2(- 1) * 6 = {{{highlight_green(- 12)}}}