x²-y²+2x²-3xy+4y²+3y²-5xy-x²
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Answered by
7
Answer:
2x²+6y²-8xy
Step-by-step explanation:
(x²+2x²-x²)+(-y²+4y²+3y²)+(-3xy-5xy)
Answered by
3
Step-by-step explanation:
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