Question

Factorise:
1.8-9
6. 16X - 2572
11. a - 36
2.-4
7. 36m2 - 1692
12. x - 16
3. a? - 25
8.- 64 + 25x
13. 1 - 4012
16a2
x2
18.
25b2 100y?
4. p² - 1
9.xy-a?
14. 25x - 499
16.7 -0.81
1
17. 25p2
1
9
19. -36 +
m
49
21. Find the value of:
(1) 2003 - 19972
22. Simplify:
(ii) 100.62 -99.42​

Answer 1

Answer:

not able to understand ur question

Because it's too long

question is not properly