Factor the given expressions by grouping as illustrated in Example 10. x 3 + 3x 2 4x 12
Factor the given expressions by grouping as illustrated in Example 10.
x3 + 3x2 − 4x − 12
Data from Example 10
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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