Question 884901
Let x = the side length square to cut.
The bottom area will be {{{highlight_green((16-2x)(10-2x)=216)}}} and this ends my part of the response.  Solve for x.



{{{(16-2x)(10-2x)=216}}}
{{{160-20x-32x+4x^2=216}}}
{{{4x^2-52x+160=216}}}
{{{x^2-13x+40=54}}}
{{{x^2-13x-14=0}}}
{{{(x+1)(x-14)=0}}}
{{{highlight(cross(x=14))}}}----THIS IS IMPOSSIBLE!  Not enough length on either dimension to cut a side of a square of 14 inches.