| Exam Board | Edexcel |
|---|
| Module | P1 (Pure Mathematics 1) |
|---|
| Year | 2019 |
|---|
| Session | October |
|---|
| Topic | Quadratic Functions |
|---|
8. Solve, using algebra, the equation
$$x - 6 x ^ { \frac { 1 } { 2 } } + 4 = 0$$
Fully simplify your answers, writing them in the form \(a + b \sqrt { c }\), where \(a , b\) and \(c\) are integers to be found.
(5)