Réponses

2013-03-10T12:30:20+01:00
1. F(x) = (2y-3) (3y-1) + (2y-3)^
= [6y^ -2y-9y] + 2y^ + 2*2y*(-3)+(-3)^
= 6y^ -2y-9y +2y^ -12y+9
= 8y^ -19y+9
y = x et ^ = au carré et * =multiplier