Advertisements
Advertisements
प्रश्न
Factorise the following:
7(x - 2)2 - 13(x - 2) - 2
बेरीज
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
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorise.
3x2 + 14x + 15
Factorise.
2x2 + x − 45
Factorise : a2 - 3a - 40
Factorise : a2b2 + 8ab - 9
Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
2x2 - 7x - 15
Factorise : 4√3x2 + 5x - 2√3
Factorise the following:
2x3 + 5x2y - 12xy2
Factorise the following:
x2y2 + 15xy - 16
Factorise the following:
`2sqrt(5)x^2 - 7x - 3sqrt(5)`
Factorise: 2x2 + 5x - 18
