# How do you solve 2x^2 - 11 = 0 ?

Aug 5, 2015

$x = \pm \sqrt{\frac{11}{2}}$

#### Explanation:

$2 {x}^{2} - 11 = 0$

$\Rightarrow 2 {x}^{2} = 11$

$\Rightarrow {x}^{2} = \frac{11}{2}$

$\Rightarrow x = \pm \sqrt{\frac{11}{2}}$