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8 January, 03:26

Factor 225x2 - 1. A) (15x + 1) (15x + 1) B) (15x - 1) (15x + 1) C) (15x - 1) (15x - 1) D) (125x - 1) (125x + 1)

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Answers (2)
  1. 8 January, 05:56
    0
    Answer:B (15x-1) (15x+1)

    Step-by-step explanation:

    It does not matter what sign comes first
  2. 8 January, 06:39
    0
    B)

    Step-by-step explanation:

    225x^2 - 1=

    (15x) ^2 - 1^2 = (*)

    (15x-1) (15x+1)

    A^2 - B^2 = (A-B) (A + B) ... (*)
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