Respuesta :

Space

Answer:

10x³ - 7x² - 7x + 4

General Formulas and Concepts:

Pre-Algebra

  • Distributive Property

Algebra I

  • Combining Like Terms

Step-by-step explanation:

Step 1: Define

(10x³ - 3x - 5) - (7x² + 4x - 9)

Step 2: Simplify

  1. Distribute negative:                    10x³ - 3x - 5 - 7x² - 4x + 9
  2. Combine like terms (x):               10x³ - 7x² - 7x - 5 + 9
  3. Combine like terms (Z):              10x³ - 7x² - 7x + 4
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