# How do you solve x^2 = 49?

Apr 25, 2018

$x = \pm 7$

#### Explanation:

Isolate the variable $x$:

${x}^{2} = 49$

$\sqrt{{x}^{2}} = \sqrt{49}$

$x = \pm 7$

Apr 25, 2018

$x = \pm 7$

#### Explanation:

So what you would do is you would find the square root both sides of the equation

$\sqrt{49} = \sqrt{x}$

which cancels out the ${x}^{2}$, leaving you with

$x = \pm 7$