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Question
Factorise the following expression.
y2 + 8zx – 2xy – 4yz
Sum
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Solution
We have,
y2 + 8zx – 2xy – 4yz
= y2 – 2xy + 8zx – 4yz
= y(y – 2x) – 4z(y – 2x)
= (y – 2x)(y – 4z)
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Chapter 7: Algebraic Expression, Identities and Factorisation - Exercise [Page 234]
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