Question

(-6n-13n^2)+(-3n+9n^2)

Answer 1

Given: -6n-13^2-3n+9n^2

Combine like terms: -9n-4n^2

Rearrange into the proper order: -4n^2-9n

Your answer: -4n^2-9n

Answer 2

Combine like terms

-13n² + 9n² = -4n²

-6n + (-3n) = -9n

- 4n² - 9n is your answer

hope this helps