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Algebra Equations for Multiplying Binomials

Part of the Algebra II For Dummies Cheat Sheet

In algebra, multiplying binomials is easier if you recognize their patterns. You multiply the sum and difference of binomials and multiply by squaring and cubing to find some of the special products in algebra. See if you can spot the patterns in these equations:

  • Sum and difference: (a + b)(ab) = a2b2

  • Binomial squared: (a + b)2 = a2 + 2ab + b2

  • Binomial cubed: (a + b)3 = a3 + 3a2b + 3ab2 + b3

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