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Bonsoir,

33)

A = 8 (x - 3)

A = 8x - 24

B = 4 (2x + 5)

B = 8x + 20

C = (2 - x) * 3

C = 6 - 3x

34)

D = 2 (3x - 4)

D = 6x - 8

E = 5 (1 - 2x)

E = 5 - 10x

F = (3x + 7) * 5

F = 15x + 35

50)

A = 7x - 14

A = 7 (x - 2)

B = 12r + 6

B = 6 (2r + 1)

51)

A = a² + 3a

A = a (a + 3)

B = 4b² - 12

B = 4 (b² - 3)

52)

A = 2r² - 3r

A = r (2r - 3)

B = 4x² + 20x

B = 4x (x + 5)