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Answer:
17. 8x²y(5y+1)
18. 12xy3(7x+1)
19. (2x+1)(x-5)
20. (5n+2)(4n-3)
21. (a+b)(c+1)
22. (3x+2)(x-6)
Step-by-step explanation:
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Answer:
answer:
17.8x²y (5y+1)
18.12xy3 (7x+1)
19.(2x+1) (x-5)
20.(5n+2) (4n-3)
21(a+b) (c+1)