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Class 9 Mathematics Exploring Algebraic Identities FactorisationMediumLevel 71

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Factorise (4x^2-9).

Answer and explanation

Correct answer: ((2x-3)(2x+3))

(4x^2=(2x)^2) and (9=3^2), so it factors as a difference of squares. In exams identify both squares.

Related tags

Factorisation Difference Of Squares Identity

Frequently asked questions

What is the correct answer to this question?

((2x-3)(2x+3))

Why is this the correct answer?

(4x^2=(2x)^2) and (9=3^2), so it factors as a difference of squares. In exams identify both squares.

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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