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anonymous

  • one year ago

Factor the following binomial completely: 4x2 - 16 A. 2(x - 2)(x + 2) B. 4(x - 2)(x - 2) C. 4(x - 2)(x + 2) D. (2x - 4)(2x + 4)

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  1. marihelenh
    • one year ago
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    First, take out the 4. That will leave you with x2-4. After that, it is a difference of squares.

  2. triciaal
    • one year ago
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    this is in the form a^2 - b^2

  3. marihelenh
    • one year ago
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    So, it has to be B or C, because a four is factored out. Because it is a difference of squares, there will be one positive term and one negative term (which is why there is no single x term).

  4. marihelenh
    • one year ago
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    The answer is C.

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