Utiliser la factorisation – Exercices corrigés – 4ème – Calcul littéral – Cycle 4 – PDF à imprimer

Utiliser la factorisation – Exercices corrigés – 4ème – Calcul littéral

Exercice 1

Factoriser les expressions suivantes.

A = 4x² − 100

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B = −(−10x−7) (−2x+10)−(−2x+10) (2x+4)

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C = (−x + 8) − (8x+ 8) (−x + 8)

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 D = −(2x+ 2) (10x+ 8) + (10x+ 8)²

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E = −(5x− 8) (−5x− 4) + 25x²− 64

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F = 36 − (5x− 3)²

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Exercice 2 – 3 – 4 – 5 – 6