| Exam Board | Edexcel |
| Module | C12 (Core Mathematics 1 & 2) |
| Year | 2014 |
| Session | June |
| Topic | Indices and Surds |
2. Without using your calculator, solve
$$x \sqrt { 27 } + 21 = \frac { 6 x } { \sqrt { 3 } }$$
Write your answer in the form \(a \sqrt { b }\) where \(a\) and \(b\) are integers.
You must show all stages of your working.