Graph:

If we replace x with -x, we get the very same expression. This means the function is even, i.e., it's symmetric with respect to the y-axis.
We only have to use values of x greater or equal to 0 and reflect the graph over the y-axis.
For x = 0:

We get y = 1 and y = -1
For x = 1:

Which gives y = 0, y = 1
For x = 0.5

Which gives y = 1.24 and y = -0.6
You can add more points as desired and have a better graph.
Below is the graph: