Factorise: 4 + Y - 14y2

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

Factorise by the grouping method:

ab (x² + 1) + x (a² + b²)

Factorise using the grouping method :
m (x - 3y)² + n (3y - x) + 5x - 15y

Factorise using the grouping method :
x (6x - 5y) - 4 (6x - 5y)²

Factorise : (a² − b²) c + (b² − c²)a

factorise: x² + 4x + 3

factorise: x² - 10xy + 24y²

factorise: 6 + 7b - 3b²

factorise: 1 − (2x + 3y) − 6(2x + 3y)²

Factorise the following by grouping the terms:
9x³ + 6x²y² - 4y³ - 6xy

Factorise the following by grouping the terms:
xy(a² + 1) + a(x² + y²)