Find the Product $$( 3 + i ) ( 3 - i ) ( 6 + 7 i )$$

Multiple Choice

Find the product. Write the answer in standard form.
- $$( 3 + i ) ( 3 - i ) ( 6 + 7 i )$$

A) $60 + 7 i$
B) $54 - 7 i ^ { 3 }$
C) $48 + 56 i$
D) $60 + 70 \mathrm { i }$