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17 January, 21:23

Simplificar (x+3) (x-3)

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Answers (2)
  1. 17 January, 22:28
    0
    Answer:x (x-3) + 3 (x-3)

    =x2-3x+3x-9

    =x2-0-9

    =x2-9
  2. 18 January, 01:04
    0
    (x+3) (x-3)

    Multiply the brackets together

    x*x-3*x+3*x+3*-3

    x^2-3x+3x-9

    x^2-9

    Answer : x^2-9
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