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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
Eureka Math/EngageNY
Algebra 2 (Eureka Math/EngageNY)
Module 1: Polynomial, rational, and radical relationships
Topic C: Lesson 24: Multiplying and dividing rational expressions
Multiplying rational expressions
Multiplying rational expressions
Sal multiplies and simplifies (a²-4)/(a²-1) X (a+1)/(a+2).
License: CC BY-NC-SA by Khan Academy