1. Factorise:

(a) (b) (c)

(d) (e) (f)

(g) (h) (i)

(j) (k) (l)

2. What must be added to each of the following to give a perfect square:

(a) (b) (c)

(d) (e) (f)

(g) (h)

3. Find k if the following is a perfect square:

(a) (b) (c)

(d) (e) (f)

4. Find a and b if:

(a) (b)

(c) (d)

6. Factorise the following:

(a) (b)

(c) (d)

(e) (f)

7. Factorise the following:

(a) (b) (c)

(d) (e) (f)

(g) (h) (i)

(j) (k)

8. By grouping in pairs, factorise the following:

(a) (b) (c)

(d) (e) (f)

(g) (h) (i)

(j) (k) (l)

9. Factorise the following expressions:

(a) (b) (c)

(d) (e) (f)

(g) (h) (i)

(j) (k)

(l)

10. Factorise the following trinomials:

(a) (b) (c) (d)

(e) (f) (g) (h)

(i) (j) (k) (l)

(m) (n) (o) (p)

(q)

11. Factorise the following mixed expressions:

(a) (b) (c)

(d) (e) (f)

(g) (h) (i)

(j) (k) (l)

12. Factorise completely:

(a) (b) (c)

(d) (e) (f)

(g) (h) (i)

(j) (k) (l)