Question 822071
Original square was x length of side.
{{{(x+8)(x+3)=204}}}
{{{x^2+11x+24-204=0}}}
{{{x^2+11x-180=0}}}
{{{(x-9)(x+20)=0}}}


{{{highlight_green(x=9)}}} or {{{highlight_green(x=-20)}}}.
One of these makes sense but not the other;
{{{highlight(x=9)}}}.