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  • Math -

    That is the difference of two squares. Remember that a^2 - b^2 = (a+b)(a-b)

    Think of "a" as 5w and "b" as 12.

    Now write down the answer.

  • Math -

    so the answer is 481??

  • Math -

    No. Where did the w go?
    They are asking for the expression
    25w^2 - 144
    to be factored, not evalauated.

    The answer is
    (5w + 12)(5w - 12)

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