Question 1194745
{{{system(L+w=230/2,wL=3174)}}}


{{{L=115-w}}}

-

{{{w(115-w)=3174}}}

{{{-w^2+115w-3174=0}}}

{{{w^2-115w+3174=0}}}


{{{from}}}{{{here}}}{{{review}}}{{{use}}}{{{of}}}{{{quadratic}}}{{{formula}}}{{{general_solution}}},{{{used}}}{{{here}}},

{{{discriminant_is}}} {{{(-115)^2-4*3174=529=23^2}}};

{{{highlight_green(w=(115+- 23)/2)}}}--------------and you can finish this.