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23 July, 09:21

Factor the polynomial below. 9x^2-1 A. (-1) (9x-1) B. (3x-1) (3x-1) C. (3x-1) (3x+1) D. (x-1) (9x+1)

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  1. 23 July, 11:22
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    (3x-1) (3x+1)

    Step-by-step explanation:

    9x^2-1

    Rewriting as

    (3x) ^2 - 1^2

    This is the difference of squares

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

    (3x-1) (3x+1)
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