OpenStax, Elementary Algebra 2e §7.4 Factor Special Products · Exercise 59 · Algebra · Factoring
Factor Special Products · Exercise 59
Landscaping Sue and Alan are planning to put a 15 foot square swimming pool in their backyard. They will surround the pool with a tiled deck, the same width on all sides. If the width of the deck is w, the total area of the pool and deck is given by the trinomial . Factor the trinomial.
OpenStax, Elementary Algebra 2e · §7.4 Factor Special Products · Exercise 59
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Checked against the answer in OpenStax, Elementary Algebra 2e.