Question 306115
{{{(13i)/(-5-i)}}} * {{{(-5+i)/(-5+i)}}} = {{{(-65i+13i^2)/(25 - (i^2))}}} = {{{(-65i+13(-1))/(25 - (-1))}}} = {{{(-65i-13)/(25 + 1)}}} = {{{(-65i-13)/26}}}
reduce the fraction to
{{{(-5i-1)/2}}}  = -.5 - 2.5i