Subtract
14x2 +15y2 from 12x2 + 9xy + 11y2
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Answer:
-2x² + 9xy - 4y²
Step-by-step explanation:
12x² + 9xy + 11y² - (14x² + 15y²)
12x² + 9xy + 11y² - 14x² - 15y²
= -2x² + 9xy - 4y²
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