Réponse:
Factoriser
A =2(5+x)
C=7(2-x)
D=5(-4x-1)
F=x(x+1)
H=x(-x+2)
K=x(-7x-12)
Reduire
" = racine de deux
L=-7x+3x“+8
M=-8x-10x“
O=-4x+2+9x“
P=6x-14x“+15
Developper
Q=6x-12
R=20x+10
S=56x-14x“-16+4x
Identités remarquables
T=x“+8x+16
U=25x“-70x+14
V=-36-24x+4x“
W=(9-3x)“
