Big Ideas Math: Modeling Real Life, Grade 6
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Big Ideas Math: Modeling Real Life, Grade 6 View details
5. Factoring Expressions
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Exercise 3 Page 231

Distribute the 7 to the terms inside the parentheses.

7b-21

Practice makes perfect
We will begin simplifying by distributing the 7 to the terms inside the parentheses.
7(b-3)
7b-7(3)
7b-21
Since 7b and 21 are not like terms, the expression cannot be simplified further.