<PRE><B>Question 904530</B>
{{{ (sqrt(5) - 3i) + (-2 + sqrt( -9))}}} 

= {{{sqrt(5) - 3i -2 + sqrt(-1*3^2))}}}

={{{sqrt(5) - 3i -2 + sqrt(3^2)sqrt(-1)}}}

= {{{sqrt(5) - 3i -2 +3i}}}

= {{{sqrt(5) - cross(3i) -2 +cross(3i)}}}

= {{{sqrt(5) -2 }}}</PRE>