Solve for x: x² + 5x + 6 = 0
- A. x = -3 or x = -1
- B. x = -3 or x = -2 ✓
- C. x = -2 or x = -3
- D. x = 3 or x = 2
Correct answer
B. x = -3 or x = -2
Explanation
Factor the quadratic: (x - -3)(x - -2) = 0, so x = -3 or x = -2.
Related MCQs
- What is 20% of 240?
- Solve for x: x² + 0x - 1 = 0
- If 10 workers can complete a project in 14 days, how many days would it take 4 workers, assuming equal work ra...
- If 5x + 7 = 2, what is the value of x?
- A value starts at 250. It increases by 20%, then decreases by 10%. What is the final value?
- A company's profit margin is 20% of its 0,000 revenue. What are the total costs?