Mathématiques

Question

simplifier : A=9x+y  B=9xX4x  C=y-11y  D=8x2-5x2  E=3abX4a  F=5xy-9yx

1 Réponse

  • A = 9x+y  
    A = 9x+y

    B = 9x*4x  
    B = 36x²

    C = y-11y  
    C = -10y

    D = 8x²-5x²  
    D = 3x²

    E = 3ab*4a  
    E = 12a²b

    F = 5xy-9yx
    F = -4xy

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