The equation in the image appears to be:

$2x^2 - 18 = 0$

To solve for $x$, follow these steps:

1. Move the constant to the other side: $2x^2 = 18$

2. Divide both sides by 2: $x^2 = 9$

3. Take the square root of both sides: $x = \pm 3$

So, the solutions are $x = 3$ and $x = -3$.

Would you like further details or have any questions about this solution?

Here are 5 related questions you may find interesting:

1. What are some methods for solving quadratic equations besides factoring?
2. How do you solve a quadratic equation when the leading coefficient is negative?
3. What is the general formula for solving any quadratic equation?
4. How can you check if your solutions to a quadratic equation are correct?
5. What happens when a quadratic equation has no real solutions?

Tip: Always check for common factors when solving quadratic equations—it can simplify the process significantly!