Posted by **takira** on Tuesday, February 17, 2009 at 1:05am.

Swimming space. The length of a rectangular swimming pool is 2x -1 meters, and the width is x + 2 meters. Write a polynomial a(x) that represents the area. Find A (5).

- Algebra -
**Quidditch**, Tuesday, February 17, 2009 at 2:43am
Area = length * width

length = (2x-1)m

width = (x+2)m

Area = (2x-1)(x+2) m^2

Multiply the two factors (use FOIL).

- Algebra -
**Taneel**, Thursday, February 26, 2009 at 10:12am
Area=Length*Width

Length = (2x-1)m

Width = (x+2)m

So, Area = (2x-1)(x+2)m^2

Substitute the "x" with 5.

So, Area= (2(5)-1)(5+2)m^2

Solve for Area now

Area= (9)(7)m^2

Area= 63m^2

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