# How do you solve and write the following in interval notation:  (x+5)(x-5)<=0?

Jul 19, 2016

$x \in \left[- 5 , 5\right]$.

#### Explanation:

${x}^{2} - {5}^{2} \le 0$. So,

${x}^{2} \le {5}^{2}$

$| x | \le 5$

And so, $x \in \left[- 5 , 5\right]$.