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Cube Roots - Problem 1

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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

A cube root can be simplified in the same way a square root is simplified: you want to look for perfect cube numbers that multiply into the radicand. Split up the variables in groups of 3 as well. Notationally, make sure your index 3 (which marks a cube root) is clearly attached to the root, rather than as an exponent on one of the terms that has become a coefficient of the root.

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