Développer en utilisant la double distributivité – Exercices corrigés – 4ème – Calcul littéral
Exercice 1
Développer et réduire les expressions suivantes :
A = (−4 x + 3) (8 x + 5)
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B = (4 x − 2) (6 x + 8)
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C = (−3 x − 9) (x − 2)
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D = (−6 x − 9) (−8 x + 6)
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E = (−9 x − 7) (10 x + 5)
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F = (−x + 8) (2 x − 9)
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Exercice 2
Développer et réduire les expressions suivantes :
A = (8 x − 4) (6 x + 4)
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B = (−5 x − 7) (−5 x + 5)
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C = (5 x + 2) (−3 x − 8)
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D = (−3 x − 7) (7 x + 6)
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E = (−10 x − 10) (4 x − 3)
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F = (−9 x + 4) (4 x − 2)
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Exercice 3 – 4 – 5 – 6
