{ x – [ 5 mũ 2 – ( 9 mũ 2 – 16 . 5 ) mũ 10 . 24 ] mũ 3 – 14 } = 1

Question

{ x – [ 5 mũ 2 – ( 9 mũ 2 – 16 . 5 ) mũ 10 . 24 ] mũ 3 – 14 } = 1

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Nick 4 years 2020-11-03T19:21:34+00:00 1 Answers 79 views 0

Answers ( )

  1. quangkhai
    0
    2020-11-03T19:22:35+00:00
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    {x-[52 -(92 -16.5)10 .24]3 -14}=1

    {x-[25-(81-80)10 .24]3 -14}=1

    {x-[25-(1)10 .24]3 -14}=1

    {x-[25-1.24]3 -14}=1

    [x-(1)3 -14]=1

    ⇒x-1-14=1

       x         =1+14+1

       x         =     16

     

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