Solve This McQ Question:-
(a<sup>2</sup> + 2a)<sup>2</sup> + 12(a<sup>2</sup> + 2a) – 45 can be expressed as -
- (a – 1)(a + 3)(a<sup>2</sup> + 2a + 15)
- (a + 1)(a + 3)(a<sup>2</sup> + 2a + 15)
- (a + 1)(a – 3)(a<sup>2</sup> + 2a + 15)
- (a – 1)(a – 3)(a<sup>2</sup> + 2a + 15)