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

Toán Lớp 8: x2 – 10x +25 –xy + 5y giải dùm mk với

Toán Lớp 8: x2 – 10x +25 –xy + 5y
giải dùm mk với

Comments ( 2 )

  1. x² – 10x +25 –xy + 5y
    =(x-5)²-y(x-5)
    =(x-5)(x-5-y)
    Cho mik xin câu trả lời hay nhất

  2. x^2 – 10x +25 – xy + 5y
    =(x^2 – 10x +25) – (xy – 5y) 
    =(x-5)^2-y(x-5)
    =(x-5)(x-5-y)
     

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