Réponses

2014-01-25T17:05:01+01:00
Bonjour

F= -2x(2x-3) - (2x-3)(3x-5) + (2x-3)
(2x-3) (-2x ) - (3x -5)
(2x-3)( -2x +3x +5)
(2x-3)(x +5)