Adding and Subtracting Radical Expressions With Square Roots and Cube Roots

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This algebra video tutorial explains how to add and subtract radical expressions with square roots and cube roots all with variables and exponents. You need to simplify the radical expressions before adding or subtracting the radical expressions. The number inside the square root must be the same before you can add or subtract the coefficients.

Radicals - Free Formula Sheet:

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Square Roots and Cube Roots:


Simplifying Radical Expressions:


Multiplying Radical Expressions:


Adding & Subtracting Radicals:


Simplifying Cube Root Expressions:


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Rationalizing The Denominator:


Multiplying Radicals With Different Indices:


How To Solve Radical Equations:


Solving Equations With Cube Roots:


Solving Complex Radical Equations:


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How To Graph Radical Functions:


Domain of Radical Functions:


How To Graph Cube Root Functions:


Radical Expressions - Test Review:


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Final Exams and Video Playlists:


Full-Length Videos and Worksheets: