Réponses

  • Utilisateur Brainly
2014-08-26T21:57:51+02:00
2014-08-26T22:30:28+02:00
Bonsoir

Factorisons

ax+ay = a(x+y)

x-ax+xy = x(1-a+y)

a2b+ab2-2ab = ab(a+b-2)

5x2-10x = 5x (x-2)

16-x2
= (4+x)(4-x)