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

Toán Lớp 8: Phân tích thành nhân tử x mũ 2 – 5x + 6

Toán Lớp 8: Phân tích thành nhân tử
x mũ 2 – 5x + 6

Comments ( 2 )

  1. x^2-5x+6=x^2-2x-3x+6=(x^2-2x)-(3x-6)
    =x(x-2)-3(x-2)=(x-2)(x-3)

  2. #Sad
    x^2-5x+6
    = x^2-2x-3x+6
    = (x^2-2x)-(3x-6)
    = x(x-2)-3(x-2)
    = (x-3)(x-2)
     

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

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