Réponses

2013-04-04T14:03:04+02:00

1) x

2) x-5

3) (x-5)*3= 3*x3*(-5)=3x-15

4) (3x-15)³

2013-04-04T14:09:22+02:00
1)un nombre x 2)x-5 3)(x-5)X3=3x-15 4)(3x-15)au cube(3)