Question

5x^2 - 9 - 7x^2 - x + 1

Answer 1

−2x^2−x−8

Explanation:

5x^2 - 9 - 7x^2 - x + 1 = −2x^2−x−8

5*x^2-9-7*x^2-x+1 = (-2*x^2)-x-8