Question

EXERCISE 23D
Factorise the following algebraic expressions.
1. x2 + 7x + 12
2. x2 + 9x + 20
4. x2 - 18x + 65
5. x2 + 25x -54
7. x2 - 19x-92
8. p2 - 11p-102
10. x2 -- 8x - 33
11. m? - 26m + 120
13. 3x2 + 14x+8
14. 35 - 33x + 4x2
16. 128 - 29x + 15
17. 7x2 + 35x +42
19. x2 + 10xy + 21y2 20. a? - ab - 2012
22. 14a2 + 11ab - 1562 23. 36x2 + 12xyz - 15y2z2
320 / FACTORISATION
3. p²-2p- 15
6. a2 - 11a-80
9. x² + 9x 36
12. 3x2 + 10x + 8
15. 5+ 34x - 7x2
18. 4x2 - 8x +3
21. 6 - 2x2 - x
24. (a -25)2 - 5(a - 2b) + 6​

Answer 1

Answer:

not able to solve so much