Find what the following equations become when the origin is shifted to the point (1,1): `x y-y^2-x+y=0`

Explanation

To find out what the equation \( xy - y^2 - x + y = 0 \) becomes when the origin is shifted to the point \( (1, 1) \), we will follow these steps:

### Step 1: Understand the Shift of Origin
When the origin is shifted from \( (0, 0) \) to \( (1, 1) \), we need to express the new coordinates \( (x', y') \) in terms of the old coordinates \( (x, y) \). The relationships are given by:
\[ x' = x - 1 \]
\[
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