Question 151958
Steps needed:
(1) remove parenthesis
(2) combine like terms

(2x^3 + 3x^2 + 2x +2) + (x + 1)
= 2x^3 + 3x^2 + 2x + 2 + x + 1
= 2x^3 + 3x^2 +2x + x + 2 + 1
= 2x^3 + 3x^2 + 3x + 3