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Maths CBSE Homework Assignments
Class 8
Algebraic expression and its identity
Multiplication of algebraic expression II
1.
Match the following
Task:
5
m.
Answer variants:
36
x
2
−
49
y
2
64
x
2
y
4
z
4
12
xy
+
54
x
15
x
2
+
55
x
+
77
y
+
31
xy
+
14
y
2
168
x
4
1)
14
x
2
×
12
x
2
\(=\)
2)
-4
x
2
z
×
-4
y
2
z
2
×
4
y
2
z
\(=\)
3)
6x
×
(
2y
+
9
)
\(=\)
4)
(
6
x
+
7
y
)
×
(
6
x
−
7
y
)
\(=\)
5)
(
5
x
+
7
y
)
×
(
3
x
+
2
y
+
11
)
\(=\)
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