Advertisements
Advertisements
प्रश्न
Factorise : 3 - a (4 + 7a)
बेरीज
Advertisements
उत्तर
3 - a (4 + 7a)
= 3 - 4a - 7a2
= 3 - 7a + 3a - 7a2
= 1( 3 - 7a ) + a( 3 - 7a )
= ( 3 - 7a )( a + 1 )
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorise.
3x2 + 14x + 15
Factorise.
2x2 + x − 45
Factorise : a2b2 + 8ab - 9
Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
x2 - 3x - 54
Factorise the following by splitting the middle term:
x2 + 5x - 6
Factorise the following by splitting the middle term:
p2- 12p - 64
Factorise the following by splitting the middle term:
3x2 + 19x - 14
Factorise the following by splitting the middle term:
15a2 - 14a - 16
Factorise the following:
(a2 - 2a)2 - 23(a2 - 2a) + 120
Factorise: 2x2 + 5x - 18
