Réponses

  • Utilisateur Brainly
2013-12-30T18:13:30+01:00
Factoriser : f(x)  = x(x+2)-(2x-1)(x+2)
                         =(x+2)(x-2x+1)
                         =(x+2)(1-x)
2013-12-30T18:16:16+01:00
F(x) = x(x + 2) - (2x - 1)(x + 2)
f(x) = (x + 2)(x - 2x + 1)
f(x) = (x + 2)(- x + 1).