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8 September, 19:23

If possible, factor 169x^2 - y^2.

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  1. 8 September, 22:15
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    (13x - y) (13x + y)

    Step-by-step explanation:

    Both 169x^2 and y^2 are perfect squares.

    The (special) rule for factoring the difference of two squares is

    a^2 - b^2 = (a - b) (a + b).

    Therefore, 169x^2 and y^2 = (13x - y) (13x + y)
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