Multiply
- $$\begin{array} { r } 3 x + 5 \\\times 2 x + 1 \\\hline\end{array}$$

Multiple Choice

Multiply.
- $$\begin{array} { r } 3 x + 5 \\\times 2 x + 1 \\\hline\end{array}$$

A) $5 x ^ { 2 } + 6$
B) $6 x ^ { 2 } + 13 x + 5$
C) $6 x ^ { 2 } + 5$
D) $6 x ^ { 2 } - 7 x + 5$