In Exercises 1-30, factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. 1. x² + 5x + 6 2. x + 10x + 9 3. x + 8x + 12 4. x2 + 8x + 15 5. x2 + 9x + 20 6. x2 + 11x + 24 7. y + 10y + 16 8. y + 9y + 18 9. x2 – &x + 15 10. x2 5x + 6 11. у2 12y + 20 12. y? – 25y + 24 - 13. а? + 5а — 14 14. a? + a – 12 15. x + x - 30 16. x2 + 14x 32 17. x? Зх — 28 18. x2 4х — 21 19. у? — 5у — 36 20. у? — Зу — 40 21. x2 - x + 7 22. x2 + 3x + 8 9ху + 14у2 &ry + 15y2 25. х2 — ху— 30у- Зху — 18у2 27. x? + xy + y? 23. x? 24. x2 26. x2 xy + y2 18ab + 80b2 28. х2 | 29. а? 30. а? 18ab + 45b2
In Exercises 1-30, factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. 1. x² + 5x + 6 2. x + 10x + 9 3. x + 8x + 12 4. x2 + 8x + 15 5. x2 + 9x + 20 6. x2 + 11x + 24 7. y + 10y + 16 8. y + 9y + 18 9. x2 – &x + 15 10. x2 5x + 6 11. у2 12y + 20 12. y? – 25y + 24 - 13. а? + 5а — 14 14. a? + a – 12 15. x + x - 30 16. x2 + 14x 32 17. x? Зх — 28 18. x2 4х — 21 19. у? — 5у — 36 20. у? — Зу — 40 21. x2 - x + 7 22. x2 + 3x + 8 9ху + 14у2 &ry + 15y2 25. х2 — ху— 30у- Зху — 18у2 27. x? + xy + y? 23. x? 24. x2 26. x2 xy + y2 18ab + 80b2 28. х2 | 29. а? 30. а? 18ab + 45b2
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter8: Polynomials
Section8.5: Using The Distributive Property
Problem 48PPS
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