Répondre :
(x²+8)/(x+1)²-8/(x+1) >=0
(x²+8-8x-8)/(x+1)² >=0
x²-8x >=0 et x diff de -1
x<=0 ou x>=8 et x diff de -1
S=]-inf;-1[ U ]-1;0] U [8;+inf[
(x²+8-8x-8)/(x+1)² >=0
x²-8x >=0 et x diff de -1
x<=0 ou x>=8 et x diff de -1
S=]-inf;-1[ U ]-1;0] U [8;+inf[