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Home > CCA2 > Chapter 12 > Lesson 12.2.2 > Problem 12-117

12-117.

Simplify each expression. Homework Help ✎

  1. Use a generic rectangle and diamond to factor the numerator and denominator. Then simplify using Giant Ones.

  1. The expression in the numerator is a difference of cubes.
    See the Math Notes box in Lesson 8.3.3 for the formula.

    When factoring the denominator, start by factoring out the common factor, .