Multiply
- $(4+5 \mathrm{i})(4+3 \mathrm{i})$ A) $1-32 \mathrm{i}$ B) $1+32 i$ C) $15 i^{2}+32 i+16$

Multiple Choice

Multiply.
- $(4+5 \mathrm{i}) (4+3 \mathrm{i})$

A) $1-32 \mathrm{i}$
B) $1+32 i$
C) $15 i^{2}+32 i+16$
D) $31+8 i$