Advertisements
Advertisements
प्रश्न
Factorise the following:
7(x - 2)2 - 13(x - 2) - 2
बेरीज
Advertisements
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.
y2 + 24y + 144
Factorise.
p2 − 7p − 44
Factorise : x2 - 3ax - 88a2
Factorise:
(2a + b)2 - 6a - 3b - 4
Factorise : 1 - 2a - 2b - 3 (a + b)2
Factorise : (3x - 2y)2 + 3 (3x - 2y) - 10
Factorise the following by splitting the middle term:
15a2 - 14a - 16
Factorise the following by splitting the middle term:
7x2 + 40x - 12
Factorise the following:
x2y2 + 15xy - 16
Find the factors of 2y2 - 4y - 30.
