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Matière : Mathématique Calcul Professeur : Niveau : ZAC Année scolaire : Littéral Etablissement : Exercice: Développe les expressions suivantes : A = 3(x + 6): B = 5(6 - y): C = -7(2x-3). D = -8(-5 - 3y) E = 6(4x – 9).p=-12(-5+32): G = x(x + 4). H = 7y(2-9) 1 = -2y(5 - y):) = (9-30) x 40 Exercice Développe et réduis les expressions. A = 11 + 2(x-6); B = -3(2y - 4) - 2y:C = 7 - 4(8-2a) +a D=-15-9(-5+3b): E =-5(6 - 3z) - 9+z; F = 12x - 4(6-3x); G = 4y - 6(3-2y) + 1/4-1) Exercice: Développe et réduis les expressions suivantes : A = (x + 4)(x + 3); B = (y + 3)(2y +B):C = (3x + 4)(5-63):) = (-7t+8)(3-5t): E = (1 - 3x)(9x - 3), F = (4a+6)-3-5a); G = (52 - 7)(82 + 2) Exercice : Factorise les expressions suivantes : A = 16x + 4;8=9 - 72x;C = 12 - 8x:D = -6x - 18E = 54 - 18a; F = -49+ 2100 = -362 +63 H = 3r?+r1=-r+ 3r? :1 = 3v1 + v2 ...
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