Réponse:
A
[tex]25 {x}^{2} - 9 + (5x - 3)(7x + 8) \\ (5x - 3)(5x + 3) + (5x - 3)(7x + 8) \\ (5x - 3)(5x + 3 + 7x + 8) \\ (5x - 3)(12x + 11)[/tex]