Réponses

  • Utilisateur Brainly
2013-10-26T13:05:57+02:00
résoudre 5x³+1+4x³=72
9x³=71
x³=71/9
x=1,99
5*3 +1 + 4*3 = 72
15 +1 + 12 = 72
15 + 1 + 12 - 72 = 0
28-72 = 0
-44
2013-10-26T13:11:15+02:00
resoudre
5x³+1+4x³=72
9x³=72-1
9x³=71
x³=71/9
x=
 \sqrt[3]{ \frac{71}{9} }