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### Course: Algebra (all content) > Unit 10

Lesson 7: Special products of binomials- Multiply difference of squares
- Special products of the form (ax+b)(ax-b)
- Squaring binomials of the form (ax+b)²
- Special products of binomials: two variables
- More examples of special products
- Polynomial special products: perfect square
- Squaring a binomial (old)
- Binomial special products review

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# Squaring a binomial (old)

An old video where Sal expands and simplifies (7x+10)². Created by Sal Khan and Monterey Institute for Technology and Education.

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## Video transcript

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