Question

For questions 4 - 9, find the sum or difference of the polynomials. Write your answer in descending

order.
(9x2 + 3x - 2) + (3x2 - 5x - 3)

Answer 1

12x^2-2x-5

Explanation:

(9x2 + 3x - 2) + (3x2 - 5x - 3)

Combine like terms

9x^2+3x^2+3x-5x-2-3

12x^2-2x-5