Algebra 1 Companion Book, Vol 1 – Summer Edition

1.2.2 Order of Operations (continued) Example 2 Evaluating Algebraic Expressions In Example 2, Prof. Burger uses the order of operations to evaluate an expression.

Example 3 Simplifying Expressions with Other Grouping Symbols

According to the order of operations, if an expression contains grouping symbols, such as parentheses or brackets, then the operations within those grouping symbols must be performed before any operations outside of those grouping symbols. Absolute-value symbols and fraction bars (when the numerator or denominator of that fraction contain at least one operation) are two additional types of grouping symbols.


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