Question 894196
Use this:  {{{i^2=-1}}}.


{{{sqrt(-50)-sqrt(-8)}}}
{{{sqrt(-1*2*5*5)-sqrt(-1*2*2*2)}}}
{{{highlight(5i*sqrt(2)-2i*sqrt(2))}}}

{{{highlight(0+(5sqrt(2)-2sqrt(2))i)}}}----- In the form of {{{a+bi}}}.