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math (algerba 1)

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how would you sovle this?

multiply:
(a + 5) (a - 5)

  • math (algerba 1) -

    you should use FOIL. However, you should have memorized this form:

    (a^2-b^2)=(a+b)(a-b) If you don't recognize the difference of two squares, memorize it now.

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