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Byju's Answer
Standard VIII
Mathematics
Addition and Subtraction of Terms
Subtract the ...
Question
Subtract the sum of
4
m
2
+ 3n- l and
5
m
2
-11n -6l from the sum of
4
m
2
+ 3n + l and
5
m
2
-11n + 6l.
A
18
m
2
+ 14l
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B
14l
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C
-14l
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D
−
18
m
2
- 14l
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Solution
The correct option is
B
14l
Adding the like terms,
4
m
2
+ 3n- l +
5
m
2
-11n -6l
=
9
m
2
-8n -7l (i)
4
m
2
+ 3n + l +
5
m
2
-11n + 6l
=
9
m
2
-8n+7l (ii)
Subtacting (i) from (ii), we get,
9
m
2
-8n+7l - (
9
m
2
-8n -7l)
= 14l
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