Respuesta :

Space

Answer:

x² - x + 4

General Formulas and Concepts:

Algebra I

  • Combining Like Terms

Step-by-step explanation:

Step 1: Define

(4x² - 2x - 3) + (-3x² + x + 7)

Step 2: Simplify

  1. Combine like terms (x²):                    x² - 2x - 3 + x + 7
  2. Combine like terms (x):                      x² - x - 3 + 7
  3. Combine like terms (Z):                     x² - x + 4