The expression in the image is:

$2 + \sqrt{3} - 2\sqrt{3} + 1$

To simplify this, let's combine like terms.

1. Combine the constants: $2 + 1 = 3$

2. Combine the terms with $\sqrt{3}$: $\sqrt{3} - 2\sqrt{3} = -\sqrt{3}$

So, the simplified expression is:

$3 - \sqrt{3}$

Would you like further details or explanations?

Here are some related questions that could extend your understanding:

1. What if the expression included another square root term, like $\sqrt{2}$?
2. How do we simplify expressions involving cube roots?
3. What if there were imaginary numbers in this expression? How would we handle them?
4. How can we rationalize a denominator with terms like $\sqrt{3}$?
5. How does simplifying radicals help in real-life applications?

Tip: Always look for like terms, especially with radicals and constants, to make expressions simpler.