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Charlottez17
@Charlottez17
May 2019
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Bonjour j'ai un problème de distributivitée:
Développer et réduire:
D=(x-4)(2x + 5) -2x (x - 4)
Merci d'avance
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loulakar
Verified answer
Bonjour,
D = (x - 4)(2x + 5) - 2x(x - 4)
D = 2x^2 + 5x - 8x - 20 - 2x^2 + 8x
D = 5x - 20
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Verified answer
Bonjour,D = (x - 4)(2x + 5) - 2x(x - 4)
D = 2x^2 + 5x - 8x - 20 - 2x^2 + 8x
D = 5x - 20