Question

1. 9x2 - 1672
3. 81 - 16x?
5. 2x4 -32
7. 3x – 48x
9. x-64r
11. 150 - 6x?
13. 20x2 - 45
15. a--b-a-6
17. a – b +26c-2
19. a2 + 2ab +62-92
21. (a+b)-a-b
23. x2 + 2xy + y -a + 2ab-b2
75 --+2
4.5-2
6.32-23
8.272-50
10.8 -1927
12. 2-507
14. 3-502-4
16. 4.1-92-20-30
20. 1087-30--
22.----
24 25r - 10+1-3
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Answer 1

sorry I can't understand what u want in these 24 questions u gave