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

Toán Lớp 8: Phan tich nhan tu : 4(x-3)^2 -2x(x-3)

Home/ Toán Lớp 8: Phan tich nhan tu : 4(x-3)^2 -2x(x-3)

Toán Lớp 8: Phan tich nhan tu : 4(x-3)^2 -2x(x-3)

Tháng Bảy 27, 2022 Toán học 2 Comments 0 views

Toán Lớp 8: Phan tich nhan tu :
4(x-3)^2 -2x(x-3)

Comments ( 2 )

  1. lanthuhoa
    lanthuhoa
    27 Tháng Bảy, 2022 at 8:06 sáng
    Reply
    4( x – 3)^{2} – 2x( x – 3)
    = 4( x – 3)( x – 3) – 2x( x – 3)
    = ( 4x – 12 – 2x)( x – 3)
    = ( 2x – 12)( x – 3)
    = 2(x – 6)( x – 3)
     

  2. thanoanghha
    thanoanghha
    27 Tháng Bảy, 2022 at 8:06 sáng
    Reply
    4(x-3)^2-2x(x-3)
    =4(x-3)(x-3)-2x(x-3)
    =(x-3)[4(x-3)-2x]
    =(x-3)(4x-12-2x)
    =(x-3)(2x-12)
    =(x-3)(x-6).2
     

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

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