Q5. Find the polynomial that is obtained when 3x²+2xy+4y² is increased by 2x²-5xy-3y²+9.
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Answer:
5x²-3xy+y²+9
Step-by-step explanation:
3x²+2x²=5x²
2xy+(-5xy) =-3xy
4y²+(-3y²)=y²
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