Mathématiques

Question

factoriser:
A= (x+2)²-16

1 Réponse

  • A = (x + 2)² - 16
    A = (x + 2)² + 4²
    A = (x + 2 + 4) (x + 2 - 4)
    A = (x + 6) (x - 2)

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