AC method
(a+4)(a+6)
4
(2x + 3)(2x – 1)
(m+8)2
4
(2y-5)2
144 – 9
(12-3f)(12+3f)
(b – 4) (b + 8)
8
(4w – 3)(2w – 3)
4
(2p+3)2
4
(2p-3)2
121
(11m-12p)(11m+12p)
(q-8)(q+7)
2
2(b + 2)(b + 3)
16
(4p+1)2
16
(4p-1)2
45
5q(3q-2)(3q+2)
(z–5)(z–6)
6
(3m – 1)(2m + 3)
25
(5p+3)2
25
(5p-3)2
24
6(2a+3b)(2a-3b)
(j+k)(j–10k)
6
(3a–4)(2a–3)
100
(10p+3)2
100
(10p-3)2
3
3