# How do you solve 2x^2+5=19?

Apr 14, 2018

x = $\pm \sqrt{7}$

#### Explanation:

1: $2 {x}^{2} + 5 = 19$
2: $2 {x}^{2} = 14$
3: ${x}^{2} = 7$
4: Take a square root both side
5: x = $\pm \sqrt{7}$