w (w + 4) = 12
w^2 + 4w - 12 = 0
(w + 6)(w - 2) = 0
The area of a rectangular carpet is
12 square feet. The length is four feet more than the width. Find the length and the width of the carpet.
2 answers
let x=the width
then x+4 = the length
x+4+x=12
then x+4 = the length
x+4+x=12