Posted by shay on Tuesday, July 19, 2011 at 11:08pm.
Essay. Show all work. the rectangular swimming pool is given by 2x^25x3 ft.^2. One side length of the pool is given by 2x+1 feet. What is an algebraic expression for the other side length of the pool? Simplify this, and include correct units as part of your answer.

algebra  Henry, Wednesday, July 20, 2011 at 4:15pm
Area = (2x+1)S = 2x^2  5x 3,
S = (2x^2 5x 3) / (2x+1),
Factor the numerator and get:
S = (x3)(2x+1) / (2x+1),
S = x  3. = Expression for other side.
The AC Method was used for factoring:
A*C = 2 * (3) = 6 = 1*(6) = 2*(3).
Select the pair of factors whose sum =
5:
2x^2 + x6x  3 = 0,
Group the 4 terms into 2 factorable pairs:
(2x^2+x) + (6x3) = 0,
x(2x+1)  3(2x+1) = 0,
(2x+1)(x3) = 0,
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