Simplify Write Your Answer in the Form a + Bi $$( - 9 + 16 \mathrm { i } ) - ( 7 - 4 \mathrm { i } )$$

question 189

Multiple Choice

Simplify. Write your answer in the form a + bi, where a and b are real numbers.
- $$( - 9 + 16 \mathrm { i } ) - ( 7 - 4 \mathrm { i } )$$

• A) \(- 16 - 20 \mathrm { i }\)
• B) \(- 16 + 20 \mathrm { i }\)
• C) \(- 2 - 20 \mathrm { i }\)
• D) \(2 - 20 \mathrm { i }\)