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Mathematics 19 Online
OpenStudy (anonymous):

Part 1: Explain, in complete sentences, whether or not the expression x2 – 121 fits one of the special patterns. If so, which one?

OpenStudy (anonymous):

yes it does. It is a difference of squares, because the first term is a perfect square, as is the last term, and he sign is negative. the answer to that would be (x+11)(x-11).

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