MCQ
(4x2 + 4x - 3) = ?
- A(2x - 1) (2x - 3)
- BNone of these.
- C(2x + 3) (2x - 1)
- D(2x + 1) (2x - 3)
✓
Answer
- (2x + 3) (2x - 1)
Solution:
(4x2) + (4x - 3) = 4x2 + 6x - 2x - 3
= 2x(2x + 3) - 1(2x + 3)
= (2x + 3) (2x - 1)
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The base of an isoscale triangle is 16cm and its area is 48cm2. The perimeter of the triangle is:
- 41cm
- 36cm
- 48cm
- 324cm
The mean of a, b, c, d and e is 28. If the mean of a, c, and e is 24, What is the mean of b and d?
- 31
- 32
- 33
- 34
In Fig. if $\angle A O B$ is a diameter of the circle and $A C=B C$, then $\angle C A B$ is equal to
→If the volume of a cube is 343 cu.cm, then its edge is:
In the given figure, O is the centre of a circle and $\angle\text{ACB}=30^\circ.$ Then, $\angle\text{AOB}=?$
→In Fig. AB is a diameter of the circle. If $\angle A D C=120^{\circ}$, then $\angle C A B=$
→In the given figure, ABCD is a rectangle inscribed in a quadrant of a circle of radius 10cm. If $\text{AD}=2\sqrt{5}\text{cm}$ then area of the rectangle is:
→- 32cm2
- 40cm2
- 44cm2
- 48cm2
If the sum of all the edges of a cube is 36cm, then the volume (in cm3) of that cube is:
Write the correct answer in the following:
The edges of a triangular board are 6cm, 8cm and 10cm. The cost of painting it at the rate of 9 paise per cm2 is:
The edges of a triangular board are 6cm, 8cm and 10cm. The cost of painting it at the rate of 9 paise per cm2 is:
- Rs. 2.00
- Rs. 2.16
- Rs. 2.48
- Rs. 3.00
If the volume of two cones be in the ratio 1 : 4 and the radii of their bases be in the ratio 4 : 5 then the ratio of their heights is:
- 1 : 5
- 5 : 4
- 25 : 16
- 25 : 64