Question 1006413
length(l) = width (w) + 3
area = (w + 3) * w
(2w + 6) * (w - 1) = (w^2 + 3w) + 150
2w^2 +4w -6 = w^2 +3w +150
w^2 +w -156 = 0 
(w+13) * (w - 12) = 0
w = 12 or -13
We pick w = 12
The length = 15 in and width = 12 in of the screen