Réponses

2014-03-15T16:29:54+01:00
A(t)= 2t² -t-3
B(t)=3t²-13t+4
C(t)=18t²+27t-5
D(t)=-10t²-3t+1
Voila ;)
  • Utilisateur Brainly
2014-03-15T16:30:33+01:00
développer:
A(t)=(t+1)(2t-3)=2t²-t-3
B(t)=(t-4)(3t-1)=3t²-13t+4
C(t)=(3t+5)(6t-1)=18t²+27t-5
D(t)=(5t-1)(-2t-1)
=-10t²+3t+1