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posted by on .

Multiply and Simplify:

Can you simplify down any further?

please and thank you

  • Math - ,

    using the general
    (a-b)^3 = a^3 - 3a^2b + 3ab^2 - b^3

    (a^x - a^-x)^3
    = a^3x - 3a^2xa^-x + 3a^xa^-2x - a^-3x
    = a^3x - 3a^x + 3a^-x - a^-3x

    Not sure where you want to go from here.

  • Math - ,

    It would be good as it is. If you want, you can replace
    3a^(-x) by 3/a^x and
    -a^(-3x) by -1/a^(3x)
    which may be considered more explicit.

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