Aider moi svp j’ai besoin d’aide 1) Développer puis réduire :
A = 3 (x +2); B = (-7) (6-2t) ; C = 5 (4a - 2); D = Z (22 - 4); E = 7t (5 -2t); F = a (2-a)
G = 5t (4 + 2t); H = 5 (3-2w); I = (-2t) (4 – 5t); J = 7a (9-8a); K = -6 (3 +4a)
A = 3 (x +2); B = (-7) (6-2t) ; C = 5 (4a - 2); D = Z (22 - 4); E = 7t (5 -2t); F = a (2-a)
G = 5t (4 + 2t); H = 5 (3-2w); I = (-2t) (4 – 5t); J = 7a (9-8a); K = -6 (3 +4a)
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