Question 23018
{{{ (-4 - sqrt(-20))/5}}}
{{{ (-4 - sqrt(-4)*sqrt(5))/5}}}
{{{ (-4 - 2i*sqrt(5))/5}}}


Does not reduce.  You can factor it if you like, but factoring is not usually necessary since the fraction does not reduce.

{{{ -2(2 + i *sqrt(5))/5 }}}


R^2 at SCC