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7 February, 09:35

What is the factorization of the expression below?

9x² - 49

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Answers (2)
  1. 7 February, 09:59
    0
    (3x+7) (3x-7)

    You can distribute these values to give you 9x^2 minus 49. For future reference, when you have no terms including x to the first power the basic numbers in the factored equation (in this case - 7 and 7) will be identical with one of them negative in order to cancel this piece out
  2. 7 February, 11:48
    0
    (3x-7) (3x+7)

    Step-by-step explanation:

    9x² - 49

    (3x) ² - (7) ²

    (3x-7) (3x+7)
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