Simplify an expression by applying distributive property across parenthesis and brackets

The video tutorial explains the use of brackets and parentheses as grouping symbols in mathematical expressions. It emphasizes the importance of the order of operations, focusing on simplifying expressions within the innermost grouping symbols first. The tutorial demonstrates the application of the distributive property to simplify expressions and concludes with grouping terms for final simplification. The session ends with a preview of the next class, which will involve practical examples.

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