Write down the coefficient of x in the following :
`-3xy^(2)y`

Answer

To find the coefficient of \( x \) in the expression \( -3xy^2y \), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Expression**: The given expression is \( -3xy^2y \).

2. **Simplify the Expression**: First, we can simplify \( y^2y \). Since \( y^2 \) means \( y \times y \), we can multiply it by \( y \):
\[ y^2y = y \times y \times y = y^3 \]
Therefore, the expression simplifies to:
\[ -3xy^3 \]

3. **Identify the Coefficient of \( x \)**: In the expression \( -3xy^3 \), the coefficient of \( x \) is the constant that is multiplied by \( x \). Here, the coefficient of \( x \) is \( -3y^3 \).

### Final Answer:
The coefficient of \( x \) in the expression \( -3xy^2y \) is \( -3y^3 \).

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