## Jhulian one year ago solve this 2x^2 - 1 = 0

1. Jhulian

@kweenlexis

2. anonymous

3. anonymous

divide by 2

4. anonymous

take the square root, don't forget the $$\pm$$

5. Jhulian

thanks...but does it look like difference of two squares?

6. anonymous

no

7. anonymous

un less you want to write it as $(\sqrt{2}x+1)(\sqrt{2}x-1)=0$