Réponses

2014-03-10T14:22:40+01:00
C = 6(4x - 1)(3x +5)
C = 6(12x² + 20x - 3x -5)
C = 72x² + 120x - 18x - 30
C = 72x² + 102x - 30

D= (5v+2) (2l-3)
D = 10vl - 15v + 4l - 6
D = 2l(5v + 2) - 15 v - 6