Respuesta :

Space

Answer:

4x² - 8

General Formulas and Concepts:

Algebra I

  • Combining Like Terms

Step-by-step explanation:

Step 1: Define Expression

(7x² - 5x + 6) + (-3x² + 5x - 14)

Step 2: Simplify

  1. Combine like terms (x²):                    4x² - 5x + 6 + 5x - 14
  2. Combine like terms (x):                      4x² + 6 - 14
  3. Combine like terms (Z):                     4x² - 8