Respuesta :

Space

Answer:

5x³y² - 2x²y³ - 7y²

Step-by-step explanation:

Step 1: Write expression

(3x³y² + 5x²y³ - 6y²) - (7x²y³ - 2x³y² + y²)

Step 2: Distribute negative

3x³y² + 5x²y³ - 6y² - 7x²y³ + 2x³y² - y²

Step 3: Combine like terms (x³y²)

5x³y² + 5x²y³ - 6y² - 7x²y³ - y²

Step 4: Combine like terms (x²y³)

5x³y² - 2x²y³ - 6y² - y²

Step 5: Combine like terms (y²)

5x³y² - 2x²y³ - 7y²

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