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Factorise the Given Expressions. 4xsquare2 − 8x + 4 - CBSE Class 8 - Mathematics

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Question

Factorise the given expressions.

4x2 − 8x + 4

Solution

4x− 8x + 4 = (2x)2 − 2 (2x) (2) + (2)2

= (2x − 2)2 [(a − b)2 = a2 − 2ab + b2]

= [(2) (x − 1)]2 = 4(x − 1)2

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APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 8 (2018 to Current)
Chapter 14: Factorisation
Ex. 14.20 | Q: 1.5 | Page no. 223

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Solution Factorise the Given Expressions. 4xsquare2 − 8x + 4 Concept: Factorisation - Factorisation Using Identities.
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