Factorise by the Grouping Method: (2a-b)2 -10a + 5b - Mathematics

Factorise by the grouping method : (2a-b)² -10a + 5b

Sum

( 2a - b)² - 10a + 5b
= ( 2a - b )² - 5( 2a - b )
= ( 2a - b )( 2a - b - 5 )

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Factorisation by Grouping

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Chapter 5: Factorisation - Exercise 5 (A) [Page 69]

Chapter 5 Factorisation
Exercise 5 (A) | Q 13 | Page 69

Factorise by the grouping method : a⁴ - 2a³ - 4a + 8

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Factorise the following by grouping the terms:
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