Test:
Factorisation I - Normal
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Question 1:
Factorise:
2
a
+
2
A
2
(
a
+
1
)
B
4
a
C
a
D
2
a
+
1
Question 2:
Factorise:
4
b
+
12
A
8
b
B
4
(
b
+
3
)
C
16
b
D
3
(
b
+
4
)
Question 3:
Factorise:
3
x
+
9
y
A
12
(
x
+
y
)
B
12
x
y
C
3
(
x
+
y
)
D
3
(
3
y
+
x
)
Question 4:
Factorise:
5
a
+
15
a
b
A
3
a
(
5
b
+
1
)
B
20
a
2
b
C
5
a
(
3
b
+
1
)
D
3
a
2
b
Question 5:
Factorise:
3
a
2
+
4
a
A
a
(
7
a
+
1
)
B
7
a
3
C
a
(
3
a
+
4
)
D
7
a
2
+
a
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