Question 503711
They are just giving you the
legs of the right triangle as
{{{b =  x - 2y }}} and {{{h =  x + 3y }}}
The area is {{{ A = (1/2)*b*h }}}
{{{ A = (1/2)*( x - 2y )*( x + 3y ) }}}
{{{ A = (x^2 + x*y - 6y^2 ) / 2 }}}  ft2