Simplify: (a + b)² − (a − b)² A 4ab B 2ab C 2a² + 2b² D 0 ✓ Correct Answer: Option A (a+b)² = a²+2ab+b². (a−b)² = a²−2ab+b². Difference = 4ab. Practice SAT Exam Prep Quizzes → Browse All Questions Study Flashcards