Question 285611
A=LW
its a square so L=W
so {{{(L+8)(W+8)=144}}} L=W
{{{(L+8)(L+8)=144}}}use distribution
{{{L^2+8L+8L+64=144}}}
{{{L^2+16L-80=0}}}
{{{(L-4)(L+20)=0}}}
L=4 or L=-20 since the length cant be negative L=4 and W=4