Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(7 + 3i)2
A. 58 - 42i
B. 40 - 42i
C. 40 + 42i
D. 58 + 42i
Answer: C
Mathematics
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Perform the indicated operations.
- 
+ 7
A. 
B. 
C. 
D. 
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