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) $6 x ^ { 2 } - 7 x + 5$

Question

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) $6 x ^ { 2 } - 7 x + 5$

Quizplus · Accepted Answer

To multiply the given polynomials, apply the distributive property (also known as the FOIL method for binomials): $(3x + 5)(2x + 1) = 3x(2x) + 3x(1) + 5(2x) + 5(1) = 6x^2 + 3x + 10x + 5 = 6x^2 + 13x + 5$.

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

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