Answer
$5w^{3}+10w^{2}+11w+3$
Work Step by Step
Add vertically.
Line up like terms.
$\begin{array}{lllll}
5w^{3} & +3w^{2} & +8w & +2 & \\
& 7w^{2} & +3w & +1 & \\
-- & -- & -- & -- & add\\
5w^{3} & 10w^{2} & +11w & +3 &
\end{array}$
Answer: $5w^{3}+10w^{2}+11w+3$
