Answer
$5w^{3} + 10w^{2} + 11w + 3$
Work Step by Step
By simplifying the brackets we get
= $5w^{3} +3w^{2} + 8w + 2 + 7w^{2} + 3w + 1$
Then we add like terms together which are terms that have the same variables.
= $5w^{3} + 7w^{2} +3w^{2} + 3w + 8w + 2 + 1$
= $5w^{3} + 10w^{2} + 11w + 3$