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6-72.

Simplify each expression.

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  • The image below shows your first step.
    Refer to the Math Notes box in this lesson if you need more help.


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  • Complete the circled areas first.

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  • For parts (c) and (d), simplify what is within parentheses first. Then simplify any term with exponents. Then complete any multiplication. Finally, add or subtract the terms.

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