Question

What is the sum of the polynomials?
(-x2 + 9) + (-3x2 - 11x +4)

Answer 1

- 4x² - 11x + 13

Explanation:

Given

(- x² + 9) + (- 3x² - 11x + 4) ← remove parenthesis

= - x² + 9 - 3x² - 11x + 4 ← collect like terms

= - 4x² - 11x + 13