Advertisements
Advertisements
प्रश्न
Factorise the following by splitting the middle term:
7x2 + 40x - 12
योग
Advertisements
उत्तर
7x2 + 40x - 12
= 7x2 + 42x - 2x - 12
= 7x(x + 6) - 2(x + 6)
= (x + 6)(7x - 2).
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Factorise.
x2 − 10x + 9
Factorise.
5y2 + 5y − 10
Factorise.
m2 − 25m + 100
Factorise : 3a2 - 1 - 2a
Give possible expressions for the length and the breadth of the rectangle whose area is 12x2 - 35x + 25
Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
2x2 - 7x - 15
Factorise the following:
2x3 + 5x2y - 12xy2
Factorise the following:
5 - 4(a - b) - 12(a - b)2
Factorise the following:
(x + 4)2 - 5xy - 20y - 6y2
Factorise: x2 - 10x + 21.
