Advertisements
Advertisements
Question
Factorise : 3 - a (4 + 7a)
Sum
Advertisements
Solution
3 - a (4 + 7a)
= 3 - 4a - 7a2
= 3 - 7a + 3a - 7a2
= 1( 3 - 7a ) + a( 3 - 7a )
= ( 3 - 7a )( a + 1 )
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise.
x2 + 9x + 18
Factorise.
m2 − 23m + 120
Factorise.
44x2 − x − 3
Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
x2 - 3x - 54
Factorise : 7√2x2 - 10x - 4√2
Factorise the following by splitting the middle term:
p2- 12p - 64
Factorise the following by splitting the middle term:
y2 - 2y - 24
Factorise the following:
5x2 - 17xy + 6y2
Factorise the following:
5(3x + y)2 + 6(3x + y) - 8
Factorise the following:
6 - 5x + 5y + (x - y)2
