Work Step by Step
We simplify by removing the parentheses and then combine the like terms as follows $$ (x^3 + 3x^2 + 2) + (x^2 - 4x + 4)=x^3 + 3x^2 + 2 + x^2 - 4x + 4\\ =x^3+4x^2 -4x+6 .$$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.