Factorise:`x^3-3x^2+3x+7`

Explanation

To factorize the expression \( x^3 - 3x^2 + 3x + 7 \), we can follow these steps:

### Step 1: Identify the form of the expression
We notice that the expression resembles the form of a cubic polynomial. We can try to express it in a form that allows us to use the sum of cubes or the difference of cubes.

### Step 2: Rewrite the expression
We can rewrite the expression as:
\[
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