Respuesta :

Space

Answer:

7x⁶ - 6x⁵ - x³ + 2x

Step-by-step explanation:

Step 1: Write expression

(2x - 3x² + 4x³ - 6x⁵) + (7x⁶ - 5x³ + 3x²)

Step 2: Combine like terms (x³)

7x⁶ - 6x⁵ - x³ - 3x² + 2x + 3x²

Step 3: Combine like terms (x²)

7x⁶ - 6x⁵ - x³ + 2x