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In a previous course you used the Distributive Property and common factors to change expressions written as sums into expressions written as products. For example:

Since 6 is the greatest common factor of both terms, may be rewritten: .

Here x is a common factor of every term, so may be rewritten: .

Use the greatest common factor to rewrite each sum as a product.

  1. Factor out the greatest common factor. In this case, it is .

  1. What factor do all of the terms have in common?

  1. In this case, the GCF will be .

  1. Refer to the hints in parts (a) and (b).