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

Toán Lớp 8: ( x^(2) + 6x +9 ) : ( x +3 )

Toán Lớp 8: ( x^(2) + 6x +9 ) : ( x +3 )

Comments ( 2 )

  1. Lời giải và giải thích chi tiết:
    ( x ^ ( 2 ) + 6 x +9 ) : ( x +3 )
    = ( x ^ ( 2 ) + 3 . 2 x +3^2 ) : ( x +3 )
    = ( x + 3 ) ^ ( 2 ) : ( x + 3 )
    = ( x + 3 )

  2. $(x^2+6x+9):(x+3)$
    $=(x+3)^2:(x+3)$
    $=x+3$
    $#thanhmaii2008$

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

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