Simplify: (2+3i)(1−i) where i = √(−1) A −1+5i B 5+i C 5−i D −1−i ✓ Correct Answer: Option B (2+3i)(1−i) = 2−2i+3i−3i² = 2+i−3(−1) = 2+i+3 = 5+i. Practice CLEP Exam Prep Quizzes → Browse All Questions Study Flashcards