Solved

Find the Sum or Difference $( 8 - 9 i ) + ( 7 + 5 i )$

Question 417

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $( 8 - 9 i ) + ( 7 + 5 i )$

A) $15 + 4 \mathrm { i }$
B) $1 + 14 \mathrm { i }$
C) $- 15 + 4 i$
D) $15 - 4 \mathrm { i }$

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