# Chapter 1 - Introduction to Algebraic Expressions - Review Exercises: Chapter 1: 25

$11(2a+9b+1)$

#### Work Step by Step

Factoring the $GCF= 11$, then the given expression, $22a+99b+11$, is equivalent to \begin{array}{l}\require{cancel} 11(2a+9b+1) .\end{array}

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