Réponses

Meilleure réponse !
2014-10-13T15:24:39+02:00
A = (2x +3)(3x +1)
6x² +2x +9x +3
6x² +11x +3

B = (1-x)(5x-1)
5x -1 -5x² +x
-5x² +6x -1
2014-10-13T15:28:32+02:00
A= 6x² ₊2x ₊9x ₊3
  =6x² ₊11x ₊3

B=5x ₋1 ₋5x² ₊x
  =6x₋1₋5x²