Réponses

2014-02-12T15:49:03+01:00
A) (x+3)²
b) (y-4)²
c) (8-10)(8+10)
d) (x+2)(x+2+x-5)= (x+2)(2x-3)
e) (t+1)(t-5-t-1-3t+1) = (t+1)(-3t-5)