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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
High school
Algebra 1
Quadratics: Multiplying & factoring
Multiplying binomials
Multiplying binomials
Multiplying binomials
Sal expresses the product (3x+2)(5x-7) as 15x²-11x-14.
License: CC BY-NC-SA by Khan Academy