Bonjour
Factorise chaque expression.
A = 4a2 + 3a = a (4a + 3)
E = a - 6a2 = a (1 - 6a) = - 6 (a - 1) (a + 1)
B = 2b2 + b = b (2b + 1)
F = 5b-4b2 = b (5 - 4b)
C = 6c + 702 = erreur d'expression
G = 10c2 - 9C = c (10c - 9)
D = - 8d + 5d 2 = d (5d - 8)
3d 2 – 7d = d (d - 7)