Algebramedium · Past Paper
Factorize 12x^2 - 7x + 1.
A(3x-1)(4x-1)
B(3x+1)(4x+1)
C(6x-1)(2x-1)
D(12x-1)(x-1)
✓ Correct Answer: A — (3x-1)(4x-1)
Split -7x into -3x and -4x: 3x(4x-1) - 1(4x-1).
Share this question
More from Algebra
- Solve: 15/x = 5/2.
- The area of a rectangle remains same if length is increased by 7 and breadth decreased by 3, or length decreased by 7 and breadth increased by 5. Find length.
- If x^2 - 4x + 1 = 0, then the value of x + 1/x is:
- Factorize x^2 + 4y^2 + 9z^2 + 4xy + 12yz + 6zx.
- In a triangle ABC, angle C = 3 * angle B = 2 * (angle A + angle B). Find angle B.