MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
The of operations in math tells us that we must simplify any groupings, usually parentheses, before applying any exponents. This is extremely important when you're evaluating expressions, which means substituting a value in for the variable. Also, be extremely careful about negative signs and whether they are outside the parentheses or inside the parentheses.
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