4400 Higher November 2006 Paper 4 Q23
23 Simplify fully \(\dfrac{2x^2 - 5x - 12}{4x^2 - 9}\)
(3)
| Scheme | Marks |
|---|---|
| \(\dfrac{(2x + 3)(x - 4)}{(2x + 3)(2x - 3)}\) | M1 |
| M1 | |
| \(\dfrac{x - 4}{2x - 3}\) | A1 |
| (3) | |
| (3 marks) |
Notes
M1: for \((2x + 3)(x - 4)\)
M1: for \((2x + 3)(2x - 3)\)