Question

FACTORISE THE FOLLOWING

2. a2+11a -42 14. b2+20b+36 3. a2-5a-14 15. b2-8b+15 4. a2+9a+18 16. b2+b-12 5. a2-6a+8 17. b2-8b+16 6. a2+17a+16 18. b2-7b-18 7. a2-13a+40 19. b2-4b-60 8. a2-7a-30 20. b2-10b-24 9. a2+16a+28 21. b2-12b+36 10. a2+15a-16 22. b2-6b-7 11. a2+a-20 23. b2+5b+6 12. a2-18a-40 24. b2+5b-6 13. b2+4b-21 25. b2+18b+81

Answer 1

Answer:

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Step-by-step explanation: