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15 December, 22:26

What is the factorization of the expression below 16x^2-49

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Answers (2)
  1. 15 December, 22:37
    0
    (4x-7) (4x+7)

    Step-by-step explanation:

    16x² - 49

    realize that 16 = 4² and 49 = 7²

    Substituting these values into the expression,

    16x² - 49

    = 4²x² - 7²

    = (4x) ² - 7²

    recall the algebra property : a² - b² = (a+b) (a-b)

    Applying this to our expression:

    (4x) ² - 7²

    = (4x-7) (4x+7) Answer
  2. 15 December, 22:50
    0
    16x²-49=

    (4x) ²-7²=

    (4x-7) (4x+7)

    Here I have used the expression:

    a²-b² = (a-b) (a+b)
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