Lesson Review of Factoring

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About rapaljer: Retired Professor of Mathematics from Seminole State College of Florida after 36 years.

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2.08   Review of Factoring

from Basic Algebra: One Step at a Time © 2002-2011

P. 181-184

Dr. Robert J. Rapalje

Seminole State College of Florida

ANSWERS TO ALL EXERCISES ARE INCLUDED AT THE END OF THIS PAGE

To see selected solutions in Living C O L O R  click here!

 

ANSWERS 2.08

p. 181-184:      (NOTE:  Factors may be given in any order!)

 

              1. (x-4)(x+4);  2. (x-7)(x+7);  3.  x(x-9);  4. (x-9)(x+9);  5. (x-10)(x+10); 

              6. (x-8)(x+8);  7. (x-6y)(x+6y);  8. (x+2)(x+5);  9. (x-8)(x+1);   10. (2x-3y)(2x+3y);

            11.  (4x-1)(4x+1);   12. (x+y)2;   13. (x-6)(x+6);   14. (a-b)(a+b+c);    15. x2(x-36);

            16.  (x-6)2; 7. (x-5)(x+2); 18. (x+5)2; 19. (x-2)(x-3); 20. (x-10)(x+9);   21. (x+17)(x+2);

            22. -6x(2x+1);  23. (x-15)(x-3);  24. (x+9)(x-5);  25. (n-1)(n+2);   26. 5x(5x-8);  

            27. (3x-5y)(3x+5y);  28. 3x(x+4y);  29. (3-2x)(3+2x); 30. x2(x+7);   31. (x+8)(x+15);

            32. (3x+5)(x+8); 33. (x+3y)(x+y); 34. (n+10)(n-1); 35. 9n(3n-10m);  36. (x+18)(x+3);         

            37.  3(x+2)2;  38. y(x-5)(x+5);  39.  (x-1)(x+1)(x2+1);  40.  (x-2)(x2+4);

            41.  (x-2)2(x+2);  42. 5x(x-2)(x+2); 43. x(x-1)(x+1); 44. 3(x+8)(x+5); 45. 10(x+9)(x-6);     

            46.  x(x+7)(x-1);  47. 4(x-5)(x+3);   48. (x-2)(x-4)(x+4); 49. 25(2x-y)(2x+y);

            50.  3(x-5)(x+5); 51. 2(x-15)(x-1);  52. 2(x-4)(x+4);  53. (x+8)(x-3)(x+3);  

            54.  15x2(x-2)(x+2);   55. 15(x-2y)(x+2y); 56. (x+12)2;   57. 9(x-1)(x+1);

            58.  (x+3)(x-5)(x+5);  59. x(x+5)(x+2);  60. x(x+4)2;  61. (x-4)2(x+4);  62. (x+2)2(x-2);       

            63.  (x-2)(x+2)(x2+4); 64. y2(x-2)(x+1); 65. 3xy(x+5)(x+2);   66. (x-3)(x+3)(x-2)(x+2).

 

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Dr. Robert J. Rapalje Altamonte Springs Campus
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