Higher November 2022 Paper 6 Q11
11 Factorise fully \(30x^2 + 2x - 4\). [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(2(3x - 1)(5x + 2)\) | 3 | B2 for \((6x - 2)(5x + 2)\) as final answer or for \((3x - 1)(10x + 4)\) as final answer or for \((3x - 1)(5x + 2)\) as final answer or M1 for two brackets which give two correct terms for \(30x^2 + 2x - 4\) or for \(15x^2 + x - 2\) | |