Subtract 5x – 4y + 6y - 3 from 7x² - 4xy + 8y² + 5x? - 3y. (give answer step by step please)
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Answer:
7x² - 4xy + 8y² - 9y + 3
Step-by-step explanation:
7x² - 4xy + 8y² + 5x - 3y - (5x – 4y + 6y - 3)
7x² - 4xy + 8y² + 5x - 3y - 5x + 4y - 6y + 3
7x² - 4xy + 8y² - 9y + 3
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