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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VIII - Factorisation
Question
1
1.
(
12
x
4
+
12
x
3
)
÷
4
x
2
(
−
3
x
2
+
3
x
)
(
3
x
2
+
3
x
)
(
3
x
2
+
4
x
)
(
3
x
2
−
3
x
)
(
2
x
2
+
3
x
)
Question
2
2.
Factorize
4
a
3
−
16
a
(
2
a
+
4
)
(
2
a
−
4
)
a
(
2
a
+
4
)
(
2
a
2
+
4
)
a
(
2
a
2
+
4
)
(
4
a
−
2
)
a
(
2
a
−
4
)
(
2
a
2
+
4
)
a
(
2
a
+
4
)
(
4
a
−
2
)
a
Question
3
3.
Factorize
(
x
2
+
9
x
+
20
)
(
x
+
5
)
(
2
x
+
4
)
(
x
+
5
)
(
x
+
4
)
(
x
+
5
)
(
3
x
+
4
)
(
x
+
5
)
4
(
x
+
5
)
(
−
2
x
+
4
)
Question
4
4.
6
p
2
=
3
✕
p
✕
p
6
✕
p
✕
p
6
✕
p
✕
p
✕
p
9
✕
p
✕
p
6
✕
p
Question
5
5.
Which of the following is a factor of
(
7
x
5
+
y
z
4
)
?
x
4
z
3
y
z
4
y
7
x
5
no factors
Question
6
6.
Factorize
(
a
+
b
)
2
−
c
2
(
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
7
7.
Factorize
(
8
x
3
+
32
x
2
−
46
x
−
210
)
(
2
x
+
7
)
(
−
x
+
6
)
(
−
5
)
(
2
x
+
7
)
(
3
x
+
6
)
(
3
x
−
5
)
(
2
x
+
7
)
(
4
x
+
6
)
(
5
x
−
5
)
(
2
x
+
7
)
(
2
x
+
6
)
(
2
x
−
5
)
(
2
x
+
7
)
(
x
+
6
)
(
x
−
5
)
Question
8
8.
Factorize and divide
(
15
x
4
+
31
x
3
−
124
x
2
−
20
x
+
48
)
÷
(
−
x
2
−
2
x
+
8
)
(
3
x
2
−
4
x
−
4
)
(
−
15
x
2
−
x
+
6
)
(
−
15
x
2
−
19
x
−
6
)
(
−
15
x
2
+
19
x
−
6
)
(
−
15
x
2
+
x
+
6
)
Question
9
9.
Which of the following are not polynomials?
a)
(
18
x
2
−
18
x
y
−
36
y
2
)
b)
(
3
x
−
6
y
)
c)
(
6
x
+
6
y
)
(
3
x
−
6
y
)
d)
25
x
2
e)
√x
{d,a,c}
{a,c}
{c,e}
{b,e,c}
{b,e}
Question
10
10.
The quotient when
8
q
2
is divided by
(
q
−
9
)
is
(
5
q
+
72
)
(
10
q
+
72
)
(
7
q
+
72
)
(
8
q
+
72
)
(
9
q
+
72
)
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