Factoring Difference of Squares: Analyzing Factorization

Sal analyzes two different factorizations of 16x^2-64 and determines whether they are correct.

Watch the next lesson: https://www.khanacademy.org/math/high-school-math/math2/math2-factorization/math2-diff-of-squares/v/factoring-difference-of-squares-exercise-example?utm_source=YT&utm_medium=Desc&utm_campaign=highschoolmath

Missed the previous lesson? https://www.khanacademy.org/math/high-school-math/math2/math2-factorization/math2-diff-of-squares/v/factoring-to-produce-difference-of-squares?utm_source=YT&utm_medium=Desc&utm_campaign=highschoolmath

High School Math on Khan Academy: Did you realize that the word "algebra" comes from Arabic (just like "algorithm" and "al jazeera" and "Aladdin")? And what is so great about algebra anyway? This tutorial doesn't explore algebra so much as it introduces the history and ideas that underpin it.

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