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

Toán Lớp 8: 5x(x-1)-3x(x-1) .

Toán Lớp 8: 5x(x-1)-3x(x-1) .

Comments ( 2 )

  1. Giải đáp + Lời giải và giải thích chi tiết:
      5x ( x -1 ) – 3x ( x – 1 )  
    = ( x – 1 ) ( 5x – 3x )  
    = ( x – 1 ) x ( 5 – 3 )  
    = ( x – 1 ) 2x
    #nocopy  
    @DuckyHuy  

  2. @Bao
    5x(x-1)-3x(x-1)
    =(x-1)(5x-3x)
    =(x-1)x(5-3)
    =(x-1)2x

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

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