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

Solution:

Given, the polynomials are (-x² + 9) and (-3x² - 11x + 4).

The sum of the polynomials = (-x² - 9) + (-3x² - 11x + 4)

The sum of the polynomials is found by removing the parathesis and grouping the like terms.

-x² - 9 + -3x² - 11x + 4

= -x² - 3x² - 11x - 9 + 4

= -4x² - 11x - 5

Therefore, the adding the polynomials we get -4x² - 11x - 5.

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

Summary:

The sum of the polynomials (-x² + 9) + (-3x² - 11x + 4) is -4x² - 11x - 5.