Solve `(x^(2) - 2x)^(2) - 23 (x^(2) - 2x) + 120 = 0`

Explanation

To solve the equation \((x^2 - 2x)^2 - 23(x^2 - 2x) + 120 = 0\), we will follow these steps:

### Step 1: Substitute \(y = x^2 - 2x\)
Let \(y = x^2 - 2x\). This substitution simplifies our equation to:
\[ y^2 - 23y + 120 = 0 \]

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