Find the cubes of :
`-18`

Answer

To find the cube of -18, we will follow these steps:

### Step 1: Understand the cube of a number
The cube of a number \( x \) is calculated as \( x \times x \times x \). For our case, we need to find \( (-18) \times (-18) \times (-18) \).

### Step 2: Calculate the first multiplication
First, we calculate \( (-18) \times (-18) \):
- When multiplying two negative numbers, the result is positive.
- So, \( (-18) \times (-18) = 18 \times 18 = 324 \).

### Step 3: Multiply the result by -18
Now we need to multiply the result by -18:
- We have \( 324 \times (-18) \).
- This will be negative because we are multiplying a positive number by a negative number.

### Step 4: Perform the multiplication
Now, we calculate \( 324 \times 18 \):
1. Break it down:
- \( 324 \times 18 = 324 \times (10 + 8) = 3240 + 2592 \).
2. Calculate \( 324 \times 8 \):
- \( 324 \times 8 = 2592 \).
3. Add both results:
- \( 3240 + 2592 = 5832 \).

### Step 5: Apply the negative sign
Since we are multiplying by -18, we have:
- \( -5832 \).

### Final Answer
Thus, the cube of -18 is \( -5832 \).

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