Respuesta :

Space

Answer:

6x⁴ + 6x³ + 2x² + 4

General Formulas and Concepts:

Algebra I

  • Combining Like Terms

Step-by-step explanation:

Step 1: Define

(6x³ - x⁴ + 7) + (7x⁴ - 3 + 2x²)

Step 2: Simplify

  1. Combine like terms (x⁴):                    6x⁴ + 6x³ + 2x² + 7 - 3
  2. Combine like terms (Z):                     6x⁴ + 6x³ + 2x² + 4

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