factorize, completely each of the following expression 1-4h^2

Question

factorize, completely each of the following expression
1-4h^2

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Jezebel 2 weeks 2021-09-04T11:01:14+00:00 1 Answers 0 views 0

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  1. thienhuong
    0
    2021-09-04T11:03:12+00:00
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    Answer:

    (1 + 2h)(1 – 2h)

    Step-by-step explanation:

    1 - 4h^2 = 1 ^2 - (2h)^2

              =(1 - 2h)(1 + 2h)                       [ \ a^2 - b^2 = (a - b)(a+b) \ ]

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