It seems like you've uploaded an image with a mathematical expression. Let me analyze it.

The equation appears to be:

$x^2 - 2x - 3 = 0$

This looks like a quadratic equation in the form $ax^2 + bx + c = 0$. The next step would be to solve this equation for $x$.

Would you like me to solve this equation for you, or would you prefer an explanation on how to approach it?

Here are a few related questions you may find helpful:

1. What are the solutions for $x$ in this quadratic equation?
2. How do you apply the quadratic formula to solve quadratic equations?
3. How do you factorize quadratic equations like this one?
4. What is the discriminant, and how does it help determine the nature of the roots?
5. What is the vertex form of a quadratic equation, and how do you convert this equation to it?

Tip: The quadratic formula is a universal tool that can be applied to any quadratic equation, and it’s given by: $x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$