how do you factor x squared minus 100

Question

how do you factor x squared minus 100

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Amaya 13 mins 2021-10-14T03:34:27+00:00 1 Answer 0

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    2021-10-14T03:35:44+00:00

    Rewrite 100  as  10
    ^2
    .  x^
    2  −  10
    ^2

    Since both terms are perfect squares, factor using the difference of squares formula,  a^2 -b^2= (a + b) (a – b) where a = x and b = 10.

    (x + 10) (x – 10)

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