Factoriser:
[tex]2x - 16 \\ = 2(x - 8) \\ [/tex]
Vérification : 2 × x - 2×8 = 2x-16
Résoudre :
[tex]2x - 16 + 16 = 0 + 16 \\ 2x = \frac{16}{2} \\ x = 8[/tex]
