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Subjects
Maths CBSE Homework Assignments
Class 7
Algebraic expressions
Multiplication of algebraic expressions II
3.
Product of sum and difference (integers)
Task:
5
m.
Do the multiplication:
4
k
5
−
5
l
2
⋅
4
k
5
+
5
l
2
Choose the correct answer:
16
k
7
−
25
l
2
16
k
10
−
25
l
4
4
k
10
−
5
l
4
16
k
10
−
40
k
5
l
2
+
25
l
4
16
k
10
−
40
k
5
l
2
−
25
l
4
16
k
10
+
40
k
5
l
2
+
25
l
4
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