Exercice numéros 2 s'il vous plait! Merci.

a)
A = 6 x ( b + d ) = 6b + 6d
B = 4 x ( 3 + g ) = 12 + 4g
C = p x ( 8 - a ) = 8p - ap
D = 7 x ( s - 4 ) = 7s - 28
b)
E = 6 x ( a + z ) = 6a + 6z
F = k x ( 5 + 1 ) = 5k + k
G = q x ( 9 - 8 ) = 9q - 8q
H = 2 x ( s - w ) = 2s - 2w