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11 July, 05:20

Find the product using identities (3x - 2) (3x+9)

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Answers (2)
  1. 11 July, 05:44
    0
    9x^2+21x-18

    3x*3x = 9x^

    3x*-2 = - 6x

    9*3x = 27x

    27x-6x=21x

    9*-2=-18
  2. 11 July, 08:54
    0
    9x^2+21x-18
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