Mathématiques

Question

Factoriser l'expression A

A = (x-3)² + (x-3)(1-2x)

2 Réponse

  • A=(x-3)(x-3) + (x-3)(1-2x)
    A=(x-3)[(x-3)(1-2x)]
    A=(x-3)(x-3+1-2x)
    A=(x-3)(-1x-2)
  • A = (x - 3)² + (x - 3)(1 - 2x)
    A = (x - 3)(x - 3) + (x - 3)(1 - 2x)
    A = (x - 3)(x - 3 + 1 - 2x)
    A = (x - 3)(- x - 2).

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