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25 October, 03:23

Factor the expression

X^2-9

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Answers (1)
  1. 25 October, 03:31
    0
    (x+3) (x-3)

    Step-by-step explanation:

    x²-b² = (x+b) (x-b)

    x²-9 = x²-3² = (x+3) (x-3)
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