Answer:
D is the correct answer.
Step-by-step explanation:
[tex]3 {x}^{2} + 7x - {(x + 4})^{2} - 9 [/tex]
[tex]3 {x}^{2} + 7x - ( {x}^{2} + 8x + 16) - 9[/tex]
[tex]3 {x}^{2} + 7x - {x}^{2} - 8x - 16 - 9[/tex]
[tex]2 {x}^{2} - x - 25[/tex]
