Réponses

2012-11-28T19:49:04+01:00

Salut,

 

D = 4x+12-(-16x+2)

D = 4x+12-16x-2

D = -12x+10

 

E = -5x+35+(28x-12x²-14+6x)

E = -5x+35-28x+12x²+14-6x

E = 12x²-33x49

 

F = x²-5x+3x-15-(-x+9+x²-9x)

F = x²-5x+3x-15-x-9-x²+9x

F = 6x-24

 

Je croi que c'est ça...

A+