To solve the equation \( x^2 = 324 \), we need to find the value of \( x \) that satisfies this equation.

1. **Take the square root of both sides**:
   \[
   x = \pm \sqrt{324}
   \]

2. **Calculate the square root**:
   \[
   \sqrt{324} = 18
   \]

3. **Include both positive and negative roots**:
   \[
   x = \pm 18
   \]

So, the solutions are \( x = 18 \) and \( x = -18 \).

Would you like more details or have any questions?

Here are 8 related questions:
1. How do you solve \( x^2 = 400 \)?
2. What is the square root of 529?
3. How do you factorize \( x^2 - 324 = 0 \)?
4. What is the general solution for \( x^2 = k \) where \( k \) is a positive number?
5. Can a square root be a negative number?
6. How do you solve \( x^2 + 324 = 0 \)?
7. What are the properties of square roots?
8. How do you graph the equation \( x^2 = 324 \)?

**Tip**: When solving quadratic equations, remember to consider both the positive and negative roots!

Learn how to solve the equation x² = 324 with a detailed step-by-step solution. This problem involves finding square roots and understanding quadratic equations. Suitable for students in Grades 7-9.

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