SOLUTION: The width of a rectangle is 2 ft less than the length. The area is 15 ft^2. Find the length and the width. The width is ___ft. The length is ___ft.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The width of a rectangle is 2 ft less than the length. The area is 15 ft^2. Find the length and the width. The width is ___ft. The length is ___ft.      Log On


   

Question 473941: The width of a rectangle is 2 ft less than the length. The area is 15 ft^2. Find the length and the width.
The width is ___ft.
The length is ___ft.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
l(l-2)=15
l2-2l-15=0
(l-5)(l+3)=0
The length is 5 ft.
The width is 3 ft..