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

Toán Lớp 8: x.(x+1).(x+2).(x+3)-(x+2).(x+3).(x^2+5)

Tháng Mười Hai 6, 2022 Toán học 2 Comments 0 views

Toán Lớp 8: x.(x+1).(x+2).(x+3)-(x+2).(x+3).(x^2+5)

Comments ( 2 )

  1. diepbich93
    diepbich93
    6 Tháng Mười Hai, 2022 at 2:55 sáng
    Reply
    x.(x+1).(x+2).(x+3)-(x+2).(x+3).(x^2+5)
    ⇔(x+2).(x+3)(x^2+x-x^2-5)
    ⇔(x+2).(x+3).(x-5)

  2. ngoclanquynh
    ngoclanquynh
    6 Tháng Mười Hai, 2022 at 2:54 sáng
    Reply
    #Sad
    x(x+1)(x+2)(x+3)-(x+2)(x+3)(x^2+5)
    = (x+2)(x+3)[x(x+1)-(x^2+5)]
    = (x+2)(x+3)(x^2+x-x^2-5)
    = (x+2)(x+3)(x-5)
     

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

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