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

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)