Mathématiques

Question

I(x) = (2x – 3)(5x-1)-(4x – 6)(x+3)

Pouvez vous m’aider svp!!

1 Réponse

  • Bonjour,

    Factoriser:

    I(x) = (2x – 3)(5x-1)-(4x – 6)(x+3)

    I(x)= (2x-3)(5x-1)-2(2x-3)(x+3)

    I(x)= (2x-3)(5x-1-2(x+3))

    I(x)= (2x-3)(5x-1-2x-6)

    I(x)= (2x-3)(3x-7)

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