Extra video examples to accompany Elementary Algebra - the free to read online open textbook published by Flat World Knowledge.

Chapter 9: Quadratic Equations

Extra video examples to accompany Elementary Algebra - the free to read online open textbook published by Flat World Knowledge.

9.1 Extracting Square Roots

Extra video examples to accompany Elementary Algebra - the free to read online open textbook published by Flat World Knowledge.

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