Test:
Algebraic expressions I - Normal
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Question 1:
Expand and simplify:
(
x
-
2
)
(
x
+
3
)
=
...
A
x
2
+
x
+
6
B
x
2
+
5
x
-
6
C
x
2
+
x
-
6
D
x
2
+
2
x
-
6
Question 2:
Expand and simplify:
(
x
-
1
)
(
x
-
1
)
=
...
A
x
2
-
x
+
1
B
x
2
-
1
C
x
2
-
4
x
+
1
D
x
2
-
2
x
+
1
Question 3:
Simplify
3
x
2
x
5
(
y
-
1
)
x
3
=
...
A
3
x
4
(
y
-
1
)
x
3
B
3
x
7
y
-
1
C
3
x
4
y
-
1
D
3
x
7
(
y
-
1
)
x
3
Question 4:
Simplify:
(
12
x
5
y
3
)
0
=
...
for
x
≠
0
and
y
≠
0
.
A
12
x
5
y
3
B
1
C
0
D
144
x
10
y
6
Question 5:
Simplify:
(
2
x
3
y
2
x
2
)
2
=
...
A
4
x
2
y
4
B
4
x
6
y
4
C
2
x
4
y
6
D
4
x
8
y
4
Question 6:
Simplify:
(
x
-
3
)
(
x
-
3
)
-
2
=
...
A
x
2
-
6
x
+
9
B
1
(
x
-
3
)
2
C
1
x
2
-
9
D
1
x
-
3
Question 7:
Simplify:
x
2
-
2
x
-
8
x
2
+
4
x
+
4
=
...
A
x
+
2
x
-
2
B
1
C
x
-
4
x
+
2
D
1
x
+
2
Question 8:
Simplify:
x
3
(
x
-
2
)
÷
(
x
-
2
)
2
=
...
A
x
3
(
x
-
2
)
B
x
3
(
x
-
2
)
3
C
x
3
(
x
-
2
)
2
D
x
3
x
-
2
Question 9:
Simplify:
x
2
-
16
x
+
64
x
-
8
=
...
A
x
-
8
B
1
C
1
(
x
-
8
)
2
D
1
x
-
8
Question 10:
Factorise:
8
x
3
-
1
=
...
A
(
2
x
-
1
)
(
4
x
2
-
2
x
+
1
)
B
(
2
x
-
1
)
(
4
x
2
+
4
x
+
1
)
C
(
2
x
-
1
)
(
4
x
2
+
2
x
+
1
)
D
(
2
x
-
1
)
(
4
x
2
-
4
x
+
1
)
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