Mathématiques

Question

(3x+1)(5x-2)-2(4x-3)(3x+1)

1 Réponse

  • (3x+1)(5x-2)-2(4x-3)(3x+1)
    15x²-6x+5x-2-2(12x²+4x-9x-3)
    15x²-6x+5x-2-24x²-8x+18x+6
    -9x²-+9x+4

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