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Question
Factorise the following expression.
lx + my + mx + ly
Sum
Solution
We have,
lx + my + mx + ly
= lx + mx + my + ly
= x(l + m) + y(m + l)
= (l + m)(x + y)
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Chapter 7: Algebraic Expression, Identities and Factorisation - Exercise [Page 234]
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