Solve for x: x² - 1x - 12 = 0
- A. x = 4 or x = -3 ✓
- B. x = -4 or x = 3
- C. x = 5 or x = -4
- D. x = 4 or x = -2
Correct answer
A. x = 4 or x = -3
Explanation
Factor the quadratic: (x - 4)(x - -3) = 0, so x = 4 or x = -3.
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