SOLUTION: 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.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 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.      Log On


   



Question 39225: 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.
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
A(x) = (width)*(length) = (x + 2)(2x - 1) = 2x^2 + 3x - 2
A(5) = 2(5)^2 + 3(5) - 2 = 50 + 15 - 2 = 63 meters