(2x+5)^2=(3x-1)^2 giup mk di minh vote cho

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(2x+5)^2=(3x-1)^2
giup mk di minh vote cho

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Ariana 1 năm 2021-12-06T09:18:05+00:00 2 Answers 2 views 0

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  1. thienthanh
    0
    2021-12-06T09:19:53+00:00
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    (2x+5)^2=(3x-1)^2

    2x+5=3x-1

    3x-2x=5+1

    x=6

  2. annhocbichchau
    0
    2021-12-06T09:19:56+00:00
    Reply

    $(2x+5)²=(3x-1)²$

    $⇔2x+5=3x-1$

    $⇔2x-3x=-1-5$

    $⇔-x=-6$

    $⇔x=6$

     

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