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Maximeolagnonbrucker
@Maximeolagnonbrucker
May 2022
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Calculer avec 1º) Développer : A = 2(3x + 7) B = a(5 + b) C = 2(5x - 1) - D=3a(6 + 5a) E=3(x + 4) + 2(x+5) F = x(4 - x) + 5(x-7) G= 3x(x + 4) - (x2 + 3)
2°) Factoriser: H=6xx + 6x2 I = 5y - 10 J= 3x - 9 K= 4x2 + 3x L = (x + 3)(2x - 4) + (x + 3)(x + 5)
Je suis en grande difficulté
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goergeladouche
Bonjour voici la réponse de votre question.Consigne:1) Développer : A = 2(3x + 7) B = a(5 + b) C = 2(5x - 1)D= 3a(6 + 5a) E=3(x + 4) + 2(x+5) F = x(4 - x) + 5(x-7) G= 3x(x + 4) - (x2 + 3)2°) Factoriser: H=6xx + 6x2 I = 5y - 10 J= 3x - 9 K= 4x2 + 3x L = (x + 3)(2x - 4) + (x + 3)(x + 5)Réponse:1) Développer:A = 2(3x + 7) = 6x+14B = a(5 + b) = 5a + abC = 2(5x - 1) = 10x -2D= 3a(6 + 5a) = 18a + 15a²E=3(x + 4) + 2(x+5) = 3x+12 +2x+10 = 5x + 22F = x(4 - x) + 5(x-7) = 4x - x² + 5x - 35 = x² + 9x - 35G= 3x(x + 4) - (x² + 3) = 3x² + 12x - x² - 3 = 2x² + 12x -32) Factoriser:H=6x + 6x² = 6x(x+1)I = 5y - 10 = 5 (y−2)J= 3x - 9 = 3(x−3)K= 4x² + 3x = x(4x+3)L = (x + 3)(2x - 4) + (x + 3)(x + 5) = (3x+1)(x+3)Voilà, j'espère vous avoir aidé.Je vous souhaite une bonne journée.
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Maximeolagnonbrucker
merci beaucoup
goergeladouche
de rien?
goergeladouche
:)
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