Algebramedium · Past Paper
Factorize 3x^2 - 12.
A3(x-2)(x-2)
B3(x+2)(x-2)
C(3x-6)(x+2)
D3(x^2-12)
✓ Correct Answer: B — 3(x+2)(x-2)
Take out common factor 3: 3(x^2 - 4) = 3(x+2)(x-2).
Share this question
More from Algebra
- A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. Student A takes food for 20 days and pays Rs 1000. Student B takes food for 26 days and pays Rs 1180. Find the fixed charge.
- Solve for a: a + 3 = 3
- The difference between two supplementary angles is 20 degrees. Find the larger angle.
- Find the value of x for the given equation.
- Find the value of P(x) = x^2 - 5x + 6 when x = 2.