Question 958106
l = 4+w
w= w
(4=w)(w) =117
4w +w^2 =117


w^2 +4w -117=0
(w + 13)(w-9) =0


w + 13 = 0       w - 9 = 0
     w =-13         w = 9         


w = 9
l = 13 (4 + 9)