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Byju's Answer
Standard VII
Mathematics
Subtraction of Algebraic Expressions
Subtract:i 7 ...
Question
Subtract:
(i) 7a
2
b from 3a
2
b
(ii) 4xy from
−3xy
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Solution
(i) Required expression = 3a
2
b - 7a
2
b
= (3 - 7)a
2
b
= - 4a
2
b
(ii) Required expression = - 3 xy - 4xy
= - 7xy
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