Solve `x^(2)-x-12=0`.

Explanation

To solve the quadratic equation \( x^2 - x - 12 = 0 \), we can follow these steps:

### Step 1: Identify the coefficients
The equation is in the standard form \( ax^2 + bx + c = 0 \), where:
- \( a = 1 \)
- \( b = -1 \)
- \( c = -12 \)

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