November 2021 Paper 2 Q1
1 Expand and simplify \(\quad 5(2x - 1) + 4(11 - x)\)
Give your answer in the form \(\quad a(bx + c) \quad\) where \(a\), \(b\) and \(c\) are integers greater than 1 [3 marks]
| Answer | Mark | Comments |
|---|---|---|
| \(10x - 5\) or \(44 - 4x\) | M1 | may be seen in a grid |
| \(10x - 5 + 44 - 4x\) or \(6x + 39\) or \(3 \times (2x + 13)\) | M1dep | oe all terms correct in a single expression |
| \(3(2x + 13)\) | A1 |