Advertisements
Advertisements
प्रश्न
Factorise : a2 - 3a - 40
योग
Advertisements
उत्तर
a2 - 3a - 40
= a2 - 8a + 5a - 40
= a( a - 8 ) + 5( a - 8 )
= ( a - 8 )( a + 5 )
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Factorise.
m2 − 23m + 120
Factorise.
m2 − 25m + 100
Factorise.
2x2 + x − 45
Factorise: 5 - (3a2 - 2a) (6 - 3a2 + 2a)
Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
2x2 + 2x - 75
Factorise the following by splitting the middle term:
7x2 + 40x - 12
Factorise the following:
y2 + 3y + 2 + by + 2b
Factorise the following:
`6sqrt(3)x^2 - 19x + 5sqrt(3)`
Factorise the following:
`2sqrt(5)x^2 - 7x - 3sqrt(5)`
Find the factors of 2y2 - 4y - 30.
