Find the Sum or Difference $3 \sqrt { 2 } - ( 7 \sqrt { 2 } + i ) + 9 i - ( - 2 \sqrt { 2 } + 9 i )$

question 10

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $3 \sqrt { 2 } - ( 7 \sqrt { 2 } + i ) + 9 i - ( - 2 \sqrt { 2 } + 9 i )$

• A) \(- 2 \sqrt { 2 } - i\)
• B) \(- 2 - 17 i \sqrt { 2 }\)
• C) \(- 2 \sqrt { 2 } + i\)
• D) \(2 - 17 i \sqrt { 2 }\)

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