document.write( "Question 732874: What are the factors, (5 at minimum,) of 16x^9-16x? \n" ); document.write( "
Algebra.Com's Answer #448373 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "16x9 - 16x\r\n" ); document.write( "\r\n" ); document.write( "Factor out 16x\r\n" ); document.write( "\r\n" ); document.write( "16x(x8 - 16)\r\n" ); document.write( "\r\n" ); document.write( "The parentheses contains the difference of 2 perfect squares:\r\n" ); document.write( "\r\n" ); document.write( "16x(x4 - 4)(x4 + 4)\r\n" ); document.write( "\r\n" ); document.write( "The parentheses contains the difference of 2 perfect squares:\r\n" ); document.write( "\r\n" ); document.write( "16x(x2 - 2)(x2 + 2)(x4 + 4)\r\n" ); document.write( "\r\n" ); document.write( "The 3rd parentheses can become the difference of perfect squares\r\n" ); document.write( "if we play the trick of adding and subtracting 4x2\r\n" ); document.write( "\r\n" ); document.write( "16x(x2 - 2)(x2 + 2)(x4 + 4 + 4x2 - 4x2)\r\n" ); document.write( "\r\n" ); document.write( "Swap the 2nd and 3rd terms in the 3rd parentheses\r\n" ); document.write( "\r\n" ); document.write( "16x(x2 - 2)(x2 + 2)(x4 + 4x2 + 4 - 4x2)\r\n" ); document.write( "\r\n" ); document.write( "Change the third parentheses to brackets and enclose its\r\n" ); document.write( "first three terms in parentheses\r\n" ); document.write( "\r\n" ); document.write( "16x(x2 - 2)(x2 + 2)[(x4 + 4x2 + 4) - 4x2]\r\n" ); document.write( "\r\n" ); document.write( "Factor the trinomial as a perfect square\r\n" ); document.write( "\r\n" ); document.write( "16x(x2 - 2)(x2 + 2)[(x2 + 2)2 - 4x2]\r\n" ); document.write( "\r\n" ); document.write( "Now the bracket contains the difference of 2 perfect squares: \r\n" ); document.write( "\r\n" ); document.write( "16x(x2 - 2)(x2 + 2)[(x2 + 2) - 2x][(x2 + 2) + 2x]\r\n" ); document.write( "\r\n" ); document.write( "Remove the parentheses inside the brackets:\r\n" ); document.write( "\r\n" ); document.write( "16x(x2 - 2)(x2 + 2)[x2 + 2 - 2x][x2 + 2 + 2x]\r\n" ); document.write( "\r\n" ); document.write( "Arrange the trinmials in brackets in descending order and\r\n" ); document.write( "change the brackets to parentheses:\r\n" ); document.write( "\r\n" ); document.write( "16x(x2 - 2)(x2 + 2)(x2 - 2x + 2)(x2 + 2x + 2)\r\n" ); document.write( "\r\n" ); document.write( "Here are 105 factors of that, pick any 5. \r\n" ); document.write( "\r\n" ); document.write( "1. 1\r\n" ); document.write( "2. 2\r\n" ); document.write( "3. 4\r\n" ); document.write( "4. 8\r\n" ); document.write( "5. 16\r\n" ); document.write( "6. x\r\n" ); document.write( "7. (x2-2)\r\n" ); document.write( "8. (x2+2)\r\n" ); document.write( "9. (x2-2x+2)\r\n" ); document.write( "10. (x2+2x+2)\r\n" ); document.write( "11. x(x2-2)\r\n" ); document.write( "12. x(x2+2)\r\n" ); document.write( "13. (x2-2)(x2+2)\r\n" ); document.write( "14. 2x(x2-2)\r\n" ); document.write( "15. x(x2+2)\r\n" ); document.write( "16. (x2-2)(x2+2)\r\n" ); document.write( "17. 4x(x2-2)\r\n" ); document.write( "18. x(x2+2)\r\n" ); document.write( "19. (x2-2)(x2+2)\r\n" ); document.write( "20. 8x(x2-2)\r\n" ); document.write( "21. x(x2+2)\r\n" ); document.write( "22. (x2-2)(x2+2)\r\n" ); document.write( "23. 16x(x2-2)\r\n" ); document.write( "24. x(x2+2)\r\n" ); document.write( "25. (x2-2)(x2+2)\r\n" ); document.write( "26. x(x2-2)(x2+2)\r\n" ); document.write( "27. x(x2-2)(x2-2x+2)\r\n" ); document.write( "28. x(x2-2)(x2+2x+2)\r\n" ); document.write( "29. x(x2+2)(x2-2x+2)\r\n" ); document.write( "30. x(x2+2)(x2+2x+2)\r\n" ); document.write( "31. x(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "32. (x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "33. (x2-2)(x2+2)(x2+2x+2)\r\n" ); document.write( "34. (x2-2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "35. (x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "36. 2x(x2-2)(x2+2)\r\n" ); document.write( "37. x(x2-2)(x2-2x+2)\r\n" ); document.write( "38. x(x2-2)(x2+2x+2)\r\n" ); document.write( "39. x(x2+2)(x2-2x+2)\r\n" ); document.write( "40. x(x2+2)(x2+2x+2)\r\n" ); document.write( "41. x(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "42. (x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "43. (x2-2)(x2+2)(x2+2x+2)\r\n" ); document.write( "44. (x2-2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "45. (x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "46. 4x(x2-2)(x2+2)\r\n" ); document.write( "47. x(x2-2)(x2-2x+2)\r\n" ); document.write( "48. x(x2-2)(x2+2x+2)\r\n" ); document.write( "49. x(x2+2)(x2-2x+2)\r\n" ); document.write( "50. x(x2+2)(x2+2x+2)\r\n" ); document.write( "51. x(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "52. (x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "53. (x2-2)(x2+2)(x2+2x+2)\r\n" ); document.write( "54. (x2-2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "55. (x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "56. 8x(x2-2)(x2+2)\r\n" ); document.write( "57. x(x2-2)(x2-2x+2)\r\n" ); document.write( "58. x(x2-2)(x2+2x+2)\r\n" ); document.write( "59. x(x2+2)(x2-2x+2)\r\n" ); document.write( "60. x(x2+2)(x2+2x+2)\r\n" ); document.write( "61. x(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "62. (x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "63. (x2-2)(x2+2)(x2+2x+2)\r\n" ); document.write( "64. (x2-2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "65. (x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "66. 16x(x2-2)(x2+2)\r\n" ); document.write( "67. x(x2-2)(x2-2x+2)\r\n" ); document.write( "68. x(x2-2)(x2+2x+2)\r\n" ); document.write( "69. x(x2+2)(x2-2x+2)\r\n" ); document.write( "70. x(x2+2)(x2+2x+2)\r\n" ); document.write( "71. x(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "72. (x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "73. (x2-2)(x2+2)(x2+2x+2)\r\n" ); document.write( "74. (x2-2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "75. (x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "76. x(x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "77. x(x2-2)(x2+2)(x2+2x+2)\r\n" ); document.write( "78. x(x2-2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "79. x(x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "80. (x2-2)(x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "81. 2x(x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "82. x(x2-2)(x2+2)(x2+2x+2)\r\n" ); document.write( "83. x(x2-2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "84. x(x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "85. (x2-2)(x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "86. 4x(x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "87. x(x2-2)(x2+2)(x2+2x+2)\r\n" ); document.write( "88. x(x2-2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "89. x(x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "90. (x2-2)(x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "91. 8x(x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "92. x(x2-2)(x2+2)(x2+2x+2)\r\n" ); document.write( "93. x(x2-2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "94. x(x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "95. (x2-2)(x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "96. 16x(x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "97. x(x2-2)(x2+2)(x2+2x+2)\r\n" ); document.write( "98. x(x2-2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "99. x(x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "100. (x2-2)(x2+2)(x2-2x+2)(x2+2x+2)\r\n" ); document.write( "101. x(x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "102. 2x(x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "103. 4x(x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "104. 8x(x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "105. 16x(x2-2)(x2+2)(x2-2x+2)\r\n" ); document.write( "\r\n" ); document.write( "Edwin \n" ); document.write( " \n" ); document.write( " |