Question 1124937
{{{x(x+8)=277}}}

{{{x^2+8x-277=0}}}


{{{x=(-8+sqrt(64+4*277))/2}}}


{{{x=(-8+sqrt(1172))/2}}}


{{{x=(-8+2*sqrt(293))/2}}}


{{{x=-4+sqrt(293)}}}------width


length, {{{4+sqrt(293)}}}