Multiply the complex numbers: (2 + 3i)(1 - 2i)
✓ Correct Answer: Option A
Using FOIL: 2(1) + 2(-2i) + 3i(1) + 3i(-2i) = 2 - 4i + 3i - 6i². Substitute i² = -1: 2 - i - 6(-1) = 2 - i + 6 = 8 - i.
Using FOIL: 2(1) + 2(-2i) + 3i(1) + 3i(-2i) = 2 - 4i + 3i - 6i². Substitute i² = -1: 2 - i - 6(-1) = 2 - i + 6 = 8 - i.