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Home > AC > Chapter 2 > Lesson 2.1.5 > Problem 2-56

2-56.

Evaluate each expression to find .

  1. Substitute in for .

    Multiply and simplify.

  1. Follow the steps in part (a).

    Don't forget to use the correct order of operations.

  1. Follow the steps in part (a).

  1. Follow the steps in part (a).