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A-53.

Simplify each expression below as much as possible. Record your work in the same way you did in problem A‑51.

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    Flip subtraction to addition.

    Remove zero pairs.

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

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    Follow the steps described in part (a).

    Remember a negative multiplied by a negative is a positive.

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

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    Follow the steps explained inpart (a) and remember the hints in part (b)

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