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

Toán Lớp 8: (x^2-2x+1) (x-1) =-..

Toán Lớp 8: (x^2-2x+1) (x-1) ………………

Comments ( 2 )

  1. $(x^2-2x+1)(x-1)$
    $= (x-1)^2(x-1)$
    $= (x-1)^3$
    $= x^3-3x^2+3x-1$

  2. Giải đáp 
    (????−1)⋅????2−2????(????−1)+1(????−1) x^{2}}}-2x(x-1)+1(x-1)????3−1????2−2????(????−1)+1(????−1)
    ????3−3????2+3????−1
    Lời giải và giải thích chi tiết:
     

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