Checking For Extraneous Solutions of Radical Equations

This video explains how to check for extraneous solutions when solving a radical equation.

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:

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MR. Organic Chemistry tutor, thank you for another exceptional video/lecture on Checking for Extraneous Solutions of Radical Equations. Extraneous solutions are created by squaring both sides of an equation.

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you uploaded this at the perfect time i just learned this in school today

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Lets goo extraneous solutions. I needed this

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[pingpong]

For the second problem, the square root of 4 equals 2, but it can also equal -2, because (-2)×(-2) also equals 4. So would x=2 be a solution?

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