Find the Sum or Difference $$( 4 + 9 i ) - ( - 8 + i )$$

question 382

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $$( 4 + 9 i ) - ( - 8 + i )$$

• A) \(12 + 8 i\)
• B) \(- 4 + 10 \mathrm { i }\)
• C) \(- 12 - 8 i\)
• D) \(12 - 8 \mathrm { i }\)

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