Factorise: 4 + Y - 14y2

factorise: 4 + y - 14y²

योग

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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अध्याय 13: Factorisation - Exercise 13 (D) [पृष्ठ १६१]

अध्याय 13 Factorisation
Exercise 13 (D) | Q 19 | पृष्ठ १६१

Factorise by the grouping method : ab - 2b + a² - 2a

Factorise by the grouping method : a² + b - ab - a

Factorize using the grouping method:

x² + y² + x + y + 2xy

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

Factorise : a³ -a² +a -1

factorise: x² + 5xy + 4y²

factorise: 5 - 4x(1 + 3x)

Factorise the following by grouping the terms:
9 + 3xy + x²y + 3x

Factorise the following by grouping the terms:
8(2a + b)² - 8a -4b

Factorise the following by grouping the terms:
8x³ - 24x²y + 54xy² -162y³