8x²_7xY - 5y2 from 4xy- 2x² – 3y2
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Answer:
11xy - 10x² + 2y²
Step-by-step explanation:
4xy - 2x² - 3y² - (8x² - 7xy - 5y²)
= 4xy - 2x² - 3y² - 8x² + 7xy + 5y²)
Re-arranging the terms, we get,
= 4xy + 7xy - 2x² - 8x² - 3y² + 5y²
= 11xy - 10x² + 2y²
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