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Class 9 Mathematics Exploring Algebraic Identities FactorisationExpert

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What is the factorised form of (x^2-2xy+y^2-4x+4y)?

Answer and explanation

Correct answer: ((x-y)(x-y-4))

First (x^2-2xy+y^2=(x-y)^2) and the remaining part is (-4(x-y)). In exams, treat the common binomial as one term.

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Substitution Common-Binomial Factorisation Exploring Algebraic Identities Mathematics Class 9 Mcq

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