Answer:
[tex] \huge ( {2d}^{2} + 5)(d + 3)(d - 3)[/tex]
Step-by-step explanation:
[tex]2d^4-13d^2-45[/tex]
[tex]2 {d}^{4} + 5 {d}^{2} - 18 {d}^{2} - 45 \\ {d}^{2} ( {2d}^{2} + 5) - 9( {2d}^{2} + 5) \\ ( {2d}^{2} + 5)( {d}^{2} - 9 )\\ ( {2d}^{2} + 5)(d + 3)(d - 3)[/tex]