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16 November, 22:19

Factor each trinomial completely.

4x^2 - 25b^2 and x^2 - 81

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  1. 17 November, 00:00
    0
    Step-by-step explanation:

    4x2 - 25b2

    We can solve it by the squares so

    (2x - 5b) (2x + 5b)

    2) x2 - 81

    The same case is here so

    (x - 9) (x + 9)
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