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Home > AC > Chapter 2 > Lesson 2.1.8 > Problem 2-79


Simplify each expression below as much as possible.

  1. Try using an Expression Mat.

    Combine like terms.

    Remember to remove unnecessary signs.
    (Example:  would be )

  1. Follow the steps described in part (a).

    Remember you cannot combine variables with different exponent values. (Example: you cannot add )