x2=9

To solve the equation \( x^2 = 9 \), you can take the square root of both sides.

This results in two possible solutions:

\[ x = \pm \sqrt{9} \]

Calculating the square root:

\[ x = \pm 3 \]

So, the solutions are:

\[ x = 3 \quad \text{and} \quad x = -3 \]