Answer:
− 4 x^ 2 + 5 y^ 2 − 2 x y
Explanation:
-4x² - 2xy + 5y²
Step 1: Write expression
(3x² - 5xy + 2y²) - (7x² - 3xy - 3y²)
Step 2: Distribute negative
3x² - 5xy + 2y² - 7x² + 3xy + 3y²
Step 3: Combine like terms
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