Réponses

2013-05-10T12:29:49+02:00

a)

3/4 * 2x + 3/4 * (-1/3)

=3/2 x -1/4

 

b)

=(-2)(3/2 x) + (-2)*(-1/4)

=-3 x +1/2

 

Meilleure réponse !
2013-05-10T12:30:06+02:00

A = 3/4(2x - 1/3)

A = 6/4x - 1/4

 

B = -2(3/2x - 1/4)

B = -6/2x + 2/4

B = -3x + 0,5