can someone please help me with this thank you. Factor completely 64×2 – 49. (1 point) 0 (7x – 8)(7x + 8) O (7x – 8)(7x – 8) O (8x – 7)(8x –

Question

can someone please help me with this thank you. Factor completely 64×2 – 49. (1 point) 0 (7x – 8)(7x + 8) O (7x – 8)(7x – 8) O (8x – 7)(8x – 7) O (8x – 7)(8x + 7)​

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Ngọc Khuê 4 years 2021-08-26T20:00:36+00:00 2 Answers 8 views 0

Answers ( )

  1. sori
    0
    2021-08-26T20:02:22+00:00
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    Answer:

    Explanation:

    64x^2 – 49
    = (8x)^2 – 7^2
    = (8x – 7)(8x + 7)

  2. thugiang
    0
    2021-08-26T20:02:28+00:00
    Reply

    Answer:

    (8x-7)(8x+7)

    Step-by-step explanation:

    64x²-49

    (8x)²-7²

    (8x+7)(8x-7) (using a²-b²=(a+b)(a-b)

    Or

    (8x-7)(8+7)

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )