Answer:
9. 4x²-2x+5
10. 5x²+3xy-4y²
11. 2x-y
Step-by-step explanation:
Pabrainliest hihi
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Answers & Comments
Answer:
9. 4x²-2x+5
10. 5x²+3xy-4y²
11. 2x-y
Step-by-step explanation:
Pabrainliest hihi