In Exercises 55–62, factor the given expressions by grouping as Illustrated in Example 10.
4p2 – q2 + 2p + q
EXAMPLE 10 Factoring by grouping
Factor: 2x – 2y + ax – ay.
We see that there is no common factor to all four terms, but that each of the first two terms contains a factor of 2, and each of the third and fourth terms contains a factor of a. Grouping terms this way and then factoring each group, we have
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Basic Technical Mathematics with Calculus (11th Edition)
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