Développe chaque expression
A = 5 x (a + 9)
B = 3 x (x + 5)
C = 3x x(x + 5)
D = 3 (-4 + x)
E = -w (-1 + w)
F = (11 + c) x 7
G = -4 (7 + u)
H = -2y (3y + 5)
I = -2 (5x -1)
J = -3a (6 -5a)

merci à vous :))