Factorize `4x^2+20x+25`.

Explanation

To factorize the polynomial \(4x^2 + 20x + 25\), we will follow these steps:

### Step 1: Identify the coefficients
The polynomial is in the form \(ax^2 + bx + c\), where:
- \(a = 4\)
- \(b = 20\)
- \(c = 25\)

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