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Subjects
Class 9MathematicsExploring Algebraic IdentitiesFactorisationMediumLevel 70
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Which is the correct factorisation of (a^2-b^2-a+b)?

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Answer and explanation

Correct answer: ( (a-b)(a+b-1) )

Write (a^2-b^2) as ((a-b)(a+b)) and (-a+b) as (-(a-b)). Exam tip: take common ((a-b)) out.

Related tags

Difference Of SquaresGroupingFactorisation

Frequently asked questions

What is the correct answer to this question?

( (a-b)(a+b-1) )

Why is this the correct answer?

Write (a^2-b^2) as ((a-b)(a+b)) and (-a+b) as (-(a-b)). Exam tip: take common ((a-b)) out.

Which subject and chapter does this question cover?

This is a Class 9 Mathematics question. Chapter: Exploring Algebraic Identities. Topic: Factorisation.

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