Factorise Fully
Question 1:
5
i
+
30
5
i
+
6
Question 2:
20
k
+
16
4
5
k
+
4
Question 3:
6
a
+
21
3
2
a
+
7
Question 4:
10
n
2
−
9n
n
10
n
−
9
Question 5:
3
p
x
+
8p
p
3
x
+
8
Question 6:
70
u
2
+
20
uw
10
u
7
u
+
2
w
