Advertisements
Advertisements
प्रश्न
Factorise the following:
7(x - 2)2 - 13(x - 2) - 2
योग
उत्तर
7(x - 2)2 - 13(x - 2) - 2
= 7(x - 2)2 - 14(x - 2) + (x - 2) - 2
= 7(x - 2)(x - 2 - 2) + 1(x - 2 - 2)
= 7(x - 2)(x - 4) + 1(x - 4)
= (x - 4)[7(x - 2) + 1]
= (x - 4)(7x - 14 + 1)
= (x - 4)(7x - 13).
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Factorise.
x2 + 9x + 18
Factorise.
3x2 + 14x + 15
Factorise.
2x2 + x − 45
Factorise:
(2a + b)2 - 6a - 3b - 4
Factorise : `1/35 + 12/35a + a^2`
Factorise the following:
9x2 - 22xy + 8y2
Factorise the following:
2x3 + 5x2y - 12xy2
Factorise the following:
5(3x + y)2 + 6(3x + y) - 8
Factorise the following:
(x + 4)2 - 5xy - 20y - 6y2
Factorise the following:
12 - (y + y2)(8 - y - y2)
