Réponses

2012-11-11T11:40:53+01:00

a = 10x +1

 

b= -2x+29

 

c= 3x+14

 

d = x²+6x+2

 

 

:)

2012-11-11T11:52:54+01:00

a) 3x+2x+1+5x= 10x+1

b)2*5-2*x+4=14-2x

c)2*3+2x4+x*3=14+3x

d)2+3*x+x^2+3x+2=x^2+6x+4

 

x^2 signifie x au carre au cas ou :)