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Sagot :

Bonjour

A= (- 3) x 4 + (- 3) x a

A = (- 3) x (4 + a)

B = - 2b - b x 3

B = - b (2 + 3).

b = - b * 5

C = (- 5) x c + (- 5) x (- 2)

C = (- 5) x (c - 2)

D = - 6d + 6

D = - 6 (d + 1).

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