please help me sir or mam. please give full answer.
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Answer:
16xy + 2y² + 7x³ + 5x²y
Step-by-step explanation:
(11x² + 7xy - 5y²) + ( - 11x² + 6xy + 7y²) + (7x³ + 5x²y + 3xy)
11x² + 7xy - 5y² - 11x² + 6xy + 7y² + 7x³ + 5x²y + 3xy
7xy - 5y² + 6xy + 7y² + 7x³ + 5x²y + 3xy
16xy + 2y² + 7x³ + 5x²y
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