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

Toán Lớp 8: y^2(x^2+y)-mx^2-my giúp mik zới

Toán Lớp 8: y^2(x^2+y)-mx^2-my giúp mik zới

Comments ( 2 )

  1. y²(x² + y) – mx² – my
    = y²(x² + y) – (mx² + my)
    = y²(x² + y) – m(x² + y)
    = (y² – m)(x ² + y)
     

  2. y^2.(x^2+y)-mx^2-my
    =y^2.(x^2+y)-(mx^2+my)
    =y^2.(x^2+y)-m.(x^2+y)
    =(x^2+y).(y^2-m)
    $#chúc tus học tốt!!$
    #La
     

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