Mathématiques

Question

K=5x²+3x+8+2x²+5x+4
L=12x²-9x+5-8x²-3x-15
M=-6x²+4x-7+10x²-7x+3
N=4x²-8x+13-6x²+15x-6

Aider moi s'il vous plaits ! 

1 Réponse

  • K=5x²+3x+8+2x²+5x+4
    k = 5x²+2x² +3x+5x +8+4
    k = 7x² +8x +12

    L=12x²-9x+5-8x²-3x-15
    l =  12x² -8x² -9x -3x +5-15
    l = 4x² -12x -10

    M=-6x²+4x-7+10x²-7x+3
    m = -6x² +10x² +4x-7x -7+3
    m = 4x² -3x -4

    N=4x²-8x+13-6x²+15x-6
    n = 4x²-6x² -8x +15x +13 -6
    n =  -2x² +7x +7

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