Answered

Bonjour,

EXERCICE 9
1) −4x9y+4x4y6 −x8y+x3y6
2) 7a4 +28a−14a3b−56b
3) 8x2y−4x−6xy2 +3y

Sagot :

NEITOO
Coucou,

1) −4x9y+4x4y6 −x8y+x3y6 =x3y(4x+1)(y5 −x5)=... (on pourrait continuer)

2) 7a4 +28a−14a3b−56b=7 a3 +4 (a−2b)

3) 8x2y−4x−6xy2 +3y= 4x−3y 2xy−1

J’espère t’avoir aidé :)