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Home > AC > Chapter 2 > Lesson 2.1.8 > Problem 2-79
2-79.
Simplify each expression below as much as possible.
Try using an Expression Mat.
Combine like terms.
Remember to remove unnecessary signs.
(Example:would be )
Follow the steps described in part (a).
Remember you cannot combine variables with different exponent values. (Example: you cannot add
)