Factorise Fully
Question 1:
8
m
−
72
8
m
−
9
Question 2:
30
z
+
36
6
5
z
+
6
Question 3:
72
j
−
16
8
9
j
−
2
Question 4:
10
k
2
+
7k
k
10
k
+
7
Question 5:
5
a
c
−
2c
c
5
a
−
2
Question 6:
15
e
2
−
21
eq
3
e
5
e
−
7
q