Mathématiques

Question

Factoriser : A(x): (3+5x)au carré -(4x-7)(3+5x)

1 Réponse

  • A(x) = (3 + 5x)² - (4x - 7)(3 + 5x)
    A(x) = (3 + 5x)(3 + 5x - 4x + 7)
    A(x) = (3 + 5x)(x + 10)

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