Q3 Add the following polynomials

(3c ^ 2 + 6c + 3) + (4c ^ 2 - 5c + 1)

To add the given polynomials:

(3c^2 + 6c + 3) + (4c^2 - 5c + 1)

Combine like terms:
3c^2 + 4c^2 = 7c^2
6c - 5c = c
3 + 1 = 4

The sum of the polynomials is:
7c^2 + c + 4