To simplify the expression \(1^2 - (3 - x)\), we can follow these steps:

1. **Calculate \(1^2\):**
   \[
   1^2 = 1
   \]

2. **Rewrite the expression with the calculated value:**
   \[
   1 - (3 - x)
   \]

3. **Distribute the negative sign across the parentheses:**
   \[
   1 - 3 + x
   \]

4. **Combine like terms:**
   \[
   -2 + x
   \]

Therefore, the simplified expression is:

\[
\boxed{-2 + x}
\]

Would you like more details, or do you have any questions?

### Related Questions:
1. How do you solve more complex expressions involving multiple variables?
2. What are the rules for distributing negative signs across parentheses?
3. How do you simplify expressions with exponents higher than 1?
4. How can you factor expressions like the one given?
5. What are the differences between simplifying and solving algebraic expressions?

### Tip:
Always remember to distribute negative signs carefully to avoid common errors in algebraic simplifications.

Explore the simplification of the algebraic expression 1² - (3 - x) using key concepts such as exponentiation and the distributive property. This step-by-step guide helps students in Grades 6-8 understand how to distribute negative signs and combine like terms.

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