Question 1033573
{{{v=x(24-2x)(36-2x)}}}
{{{v=x(24*36-72x-48x+4x^2)}}}
{{{v=x(24*36-120x+4x^2)}}}
{{{v=4x^3-120x^2+864x}}}



{{{dv/dx=12x^2-240x+864=0}}}
{{{(1/12)(12x^2-240x+864)=0(1/12)}}}
{{{x^2-60x+72=0}}}



{{{D=(60^2-4*72)}}}
{{{D=3312}}}
{{{D=207*16}}}
{{{D=23*9*16}}}
{{{D=12sqrt(23)}}}



{{{x=(60+- 12*sqrt(23))/2}}}---------pick what makes sense.