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3 July, 21:14

What is the factor of 4x^2-25

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Answers (2)
  1. 3 July, 22:13
    0
    The answer is (2x+5) (2x-5).
  2. 4 July, 00:35
    0
    (2x+5) (2x-5) is the answer

    checking your answer:

    2x times 2x is 4x^2

    2x times - 5 is - 10x

    5 times 2x is 10x

    5 times - 5 is - 25

    so to check: 4x^2-10x+10x-25

    equals 4x^2-25
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