Solve for x: x² - 1x - 30 = 0
- A. x = -5 or x = 6 ✓
- B. x = -5 or x = 7
- C. x = -4 or x = 5
- D. x = 5 or x = -6
Correct answer
A. x = -5 or x = 6
Explanation
Factor the quadratic: (x - -5)(x - 6) = 0, so x = -5 or x = 6.
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