Réponses

2013-11-01T16:23:39+01:00
(2x-3)(x+2)-5(2x-3)
(2X3/2-3)(3/2+2)-5(2X3/2-3)
(3-3)(3/2+2X2/2)-5(3-3)
(3/2+4/2)-5
7/2-5
7/2-5X2/2
7/2-10/2
-3/2
-1.5