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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: (2x – 3 ) ³ = 125 giúp em vs ạ

Toán Lớp 6: (2x – 3 ) ³ = 125
giúp em vs ạ

Comments ( 2 )

  1. Giải đáp+Giải thích các bước giải:
    (2x-3)^(3)=125
    ⇔(2x-3)^(3)=5^3
    ⇔2x-3=5
    ⇔2x=8
    ⇔x=4
    Vậy S={4}
    #Study well
     

  2. (2x -3)^3 = 125
    => (2x-3)^3 = 5^3
    => 2x -3 =5
    => 2x = 5+3
    => 2x =8
    => x = 8:2
    => x= 4
    Vậy x=4
     

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222-9+11+12:2*14+14 = ? ( )

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