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4-8.

Previously, you have used the Distributive Property and common factors to change expressions written as sums into expressions written as products. For example:

The sum may be rewritten as the product because is a common factor of both terms of the original expression.

Since is a common factor of every term in the sum , the expression may be rewritten as the product .

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

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

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

  3. In this case, the GCF will be .

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