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Home > A2C > Chapter 12 > Lesson 12.1.4 > Problem 12-66

12-66.
  1. Use algebra to demonstrate that each pair of expressions in parts (a) and (b) below are equivalent. Homework Help ✎

    1. and

    2. and

Simplify and find a common denominator in the first expression:

Now combine like terms and factor.

Use the same method as in part (a).