endermss1110 endermss1110
  • 18-03-2024
  • Mathematics
contestada

Where i is the imaginary unit, the expression (x + 3i)² - (2x - 3i)² is equivalent to
1. -3x²
2. -3x² - 18
3. -3x² + 18xi
4. -3x² - 6xi - 18

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