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19-01-2020
Mathematics

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Subtract the polynomials:
2x^2−3xy+4y^2 from 3x^2−5xy−6y^2

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19-01-2020

Answer:

x² - 2xy - 10y²

Step-by-step explanation:

(3x² - 5xy - 6y²) - (2x² - 3xy + 4y²)

3x² - 5xy - 6y² - 2x² + 3xy - 4y² (remove parentheses)

3x² - 2x² - 5xy + 3xy - 6y² - 4y² (Arrange to solve more easily)

x² - 2xy - 10y²

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