area = 77
L = 2W+3
area = L x W
77 = 2W+3 x W
77 = 2w^2 + 3W
2w^2 + 3W - 77 =0
(2w-11)(w+7)=0
2W-11=0
2w=11
w=5.5
l = 2x5.5+3 = 14
14 x 5.5 = 77
