Question 297299
LW=A
L=W+6
A=40
{{{40=(W+6)W}}}
{{{40=W^2+6W}}}
{{{0=W^2+6W-40}}} 4*10=40 ||| 10-4=6
{{{(w-4)(w+10)}}}
{{{W=4}}},{{{cross(-10)}}} cant be negative
{{{L=W+6}}}
{{{L=4+6}}}
{{{L=10}}}