Mathématiques

Question

factoriser: f(x) = (5x + 10)² - (3x + 17) (5x + 10 )

1 Réponse

  • f (x) = (5x + 10) [(5x + 10) - (3x + 17) 
    f (x) = (5x + 10) (5x + 10 - 3x - 17) 
    f (x) = (5x + 10) (2x - 7)

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