Advertisements
Advertisements
प्रश्न
Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
2x2 + 2x - 75
Advertisements
उत्तर
Given expression : 2x2 + 2x - 75
Comparing with ax2 + bx + c, we get a = 2, b = 2, and c = - 75
∴ b2 - 4ac = (2)2 - 4(2)(-75) = 4 + 600 = 604, which is not a perfect square.
∴ 2x2 + 2x - 75 is not factorisable.
APPEARS IN
संबंधित प्रश्न
Factorise.
x2 − 10x + 9
Factorise.
2x2 + x − 45
Factorise : 7√2x2 - 10x - 4√2
Factorise the following by splitting the middle term:
x2 - 11x + 24
Factorise the following by splitting the middle term:
y2 - 2y - 24
Factorise the following by splitting the middle term:
7x2 + 40x - 12
Factorise the following:
2x3 + 5x2y - 12xy2
Factorise the following:
5 - 4(a - b) - 12(a - b)2
Factorise the following:
12 - (y + y2)(8 - y - y2)
Factorise the following:
12(2x - 3y)2 - 2x + 3y - 1
