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Adding and Subtracting Radical Expressions - Problem 5

Teacher/Instructor Alissa Fong
Alissa Fong

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

We can only add or subtract radical terms if they have the exact same radicand, or number and variables under the square root sign. Sometimes we will need to simplify the radicands first to see if they can be combined. Here we simplify using numbers and letters both , and then combine like terms appropriately.

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