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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 B: Lessons 12-13: Factorization
Factoring quadratics: common factor + grouping
Factoring quadratics: common factor + grouping
Sal factors 35k^2+100k-15 as 5(k+3)(7k-1).
License: CC BY-NC-SA by Khan Academy