Answer:
[tex] {16a}^{2} - 4 {a}^{2} - 4a - 1 \\ = 12 {a}^{2} - 4a - 1 \\ = (2a - 1)(6a + 1)[/tex]
Answerp explanation:[tex]12\alpha x^{2} -4\alpha -1[/tex]