Advertisements
Advertisements
प्रश्न
factorise: (2a + b)2 + 5(2a + b) + 6
योग
Advertisements
उत्तर
(2a + b)2 + 5(2a + b) + 6
Let (2a + b) = x
(2a + b)2 = x2
(2a + b)2 + 5 (2a + b) + 6
= x2 + 5x + 6
= x2 + 3x + 2x + 6
= x(x + 3)+2(x + 3)
= (x + 3)(x + 2)
= (2a + b + 3)(2a + b + 2)
(Substituting the value of x)
shaalaa.com
Factorisation by Grouping
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Factorise by the grouping method : (ax + by)2 + (bx - ay)2
Factorise : 6a2 - 3a2b - bc2 + 2c2
factorise: a2 − 3a − 40
factorise: 3a2 - 5a + 2
factorise: 14x2 + x - 3
factorise: 6 + 7b - 3b2
Factorise: 2(x + 2y)2 − 5(x + 2y) + 2
factorise: a2 - 23a + 42
Factorise the following by grouping the terms:
15x2 + 7y - 3x - 35xy
Factorise the following by grouping the terms:
`"p"^2 + (1)/"p"^2 - 2 - 5"p" + (5)/"p"`
