Factorise: 4 + Y - 14y2 - Mathematics

factorise: 4 + y - 14y²

Sum

4 + y - 14y²

= 4 + 8y - 7y - 14y²

= 4 (1 + 2y) - 7y (1 + 2y)

= (1 + 2y)(4 - 7y)

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Factorisation by Grouping

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Chapter 13: Factorisation - Exercise 13 (D) [Page 161]

Chapter 13 Factorisation
Exercise 13 (D) | Q 19 | Page 161

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