# Homework Help: Rearranging to make x the subject so i can solve

1. Mar 27, 2009

### toodey

1. The problem statement, all variables and given/known data

Square root over all in brackets (x+2)/(x-2)=1/2

2. Relevant equations

REARRANGING

3. The attempt at a solution

-0.33? but need to show my working but used my calculator, i dont no how to get the x's to become one

2. Mar 27, 2009

### CompuChip

Is it
$$\sqrt{\frac{x + 2}{x - 2}} = \frac12$$
or
$$\frac{\sqrt{x + 2}}{x - 2}} = \frac12?$$

Anyway, first you want to get rid of the square root, then of the fraction and finally you will get a quadratic equation which you can solve.