Use the square root rule to solve the given quadratic equation.
(-3x + 7)² = -135

• A. 7/3 + i√15, 7/3 - i√15
• B. -7/3 + i√15, 7/3 - i√15
• C. 7/3 + i√15, -7/3 - i√15
• D. -7/3 + i√15, -7/3 - i√15

Answer: (A)