What is a difference of squares with a factor of (3x + 7) ?

Question

What is a difference of squares with a factor of (3x + 7) ?

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Reagan 4 days 2021-10-10T02:48:55+00:00 1 Answer 0

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    2021-10-10T02:49:59+00:00

    Answer:

    9x² – 49

    Step-by-step explanation:

    A difference of squares factors in general as

    a² – b² = (a + b)(a – b)

    Given (3x + 7) with a = 3x and b = 7

    Then the other factor is (3x – 7)

    (3x + 7)(3x – 7)

    = (3x)² – 7²

    = 9x² – 49

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45:7+7-4:2-5:5*4+35:2 =? ( )