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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade VIII - Factorization
Question
1
1.
Factorize
64
a
3
−
36
a
(
8
a
+
6
)
(
8
a
−
6
)
a
(
8
a
−
6
)
(
8
a
2
+
6
)
a
(
8
a
+
6
)
(
8
a
2
+
6
)
a
(
8
a
2
+
6
)
(
6
a
−
8
)
a
(
8
a
+
6
)
(
6
a
−
8
)
a
Question
2
2.
Which of the following is not an irreducible factor of
(
x
2
y
+
x
y
2
+
x
y
)
?
x
y
y
(
x
+
y
+
1
)
x
Question
3
3.
Evaluate :
995
2
−
5
2
99000
990995
990000
990005
9900000
Question
4
4.
Factorize
(
25
a
2
−
40
a
b
+
16
b
2
)
(
6
a
−
4
b
)
(
6
a
−
4
b
)
(
5
a
−
6
b
)
(
5
a
−
6
b
)
(
5
a
−
b
)
(
5
a
−
2
b
)
(
4
a
−
4
b
)
(
4
a
−
4
b
)
(
5
a
−
4
b
)
(
5
a
−
4
b
)
Question
5
5.
Which of the following is an irreducible factor of
35
x
4
y
2
z
4
?
y
2
z
z
x
4
y
2
z
3
x
4
y
x
z
3
Question
6
6.
Find the value of
45
3
+
30
3
−
75
3
(-216000)
216000
(-303750)
729000
(-729000)
Question
7
7.
Factorize
(
x
2
−
36
)
(
x
−
6
)
(
x
−
6
)
(
x
+
6
)
(
x
+
6
)
(
x
−
2
)
(
x
+
18
)
(
x
+
2
)
(
x
−
18
)
(
x
+
6
)
(
x
−
6
)
Question
8
8.
Factorize
(
12
x
2
−
6
x
y
−
36
y
2
)
(
6
x
−
9
y
)
(
2
x
+
4
y
)
(
6
x
−
9
y
)
(
2
x
−
4
y
)
(
6
x
+
9
y
)
(
6
x
−
9
y
)
(
6
x
+
9
y
)
(
2
x
−
4
y
)
(
6
x
+
9
y
)
(
2
x
+
4
y
)
Question
9
9.
Factorize
a
2
−
b
2
−
c
2
−
2
b
c
(
a
+
b
+
c
)
(
a
+
b
−
c
)
(
a
+
b
+
c
)
(
a
−
b
+
c
)
(
a
−
b
−
c
)
(
a
+
b
−
c
)
(
a
−
b
−
c
)
(
a
+
b
+
c
)
(
a
−
b
−
c
)
(
a
−
b
+
c
)
Question
10
10.
Which of the following is not a factor of
10
x
y
2
z
2
?
y
2
z
2
x
2
y
3
z
2
x
y
z
2
x
y
z
x
y
2
z
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