SOLUTION: Solve the following problem. The length of a rectangular swimming pool is 2x-1 meters, and the width is x+2 meters. Write a polynomial that represents the area. Find the area if

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Solve the following problem. The length of a rectangular swimming pool is 2x-1 meters, and the width is x+2 meters. Write a polynomial that represents the area. Find the area if       Log On


   



Question 20192: Solve the following problem.
The length of a rectangular swimming pool is 2x-1 meters, and the width is x+2 meters. Write a polynomial that represents the area. Find the area if x is 5 meters.
Thanks

Answer by pwac(253) About Me  (Show Source):
You can put this solution on YOUR website!
Area = length x width
(2x-1)(x+2)multiply this out to get:
2x%5E2%2B3x-2this is your polynomial for area
substitute x=5 into expression
2%285%5E2%29%2B3%285%29-2= 50+15-2=63m%5E2
Pete