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hannalafave

12a^3-3a^2-5a+10/4a+3

  • one year ago
  • one year ago

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  1. hannalafave
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    long division

    • one year ago
  2. hannalafave
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    i know u do this first |dw:1354757932663:dw|

    • one year ago
  3. hannalafave
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    4a^2-3 divided in to 12a^2-3a^2=3a

    • one year ago
  4. mark_o.
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    ok lets do this step by step :D

    • one year ago
  5. hannalafave
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    ok

    • one year ago
  6. hannalafave
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    \[12a^3-3a^2-5a+10\div4a+3\]

    • one year ago
  7. hannalafave
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    3a^5

    • one year ago
  8. mark_o.
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    first whats 12a^3/4a ?

    • one year ago
  9. hannalafave
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    3a^2

    • one year ago
  10. mark_o.
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    yes correct :D now lets do the procedure as we are dividing numbers like in a regular way

    • one year ago
  11. hannalafave
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    |dw:1354759034295:dw|

    • one year ago
  12. hannalafave
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    yea i know that what it 6 or is it -6

    • one year ago
  13. hannalafave
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    ops -6

    • one year ago
  14. mark_o.
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    12a^3 -3a^2 -(12 a^3 +9a^2)=0 - 12a2 yes or no?

    • one year ago
  15. hannalafave
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    yes

    • one year ago
  16. mark_o.
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    ok continue dividing that using the correct answer :D

    • one year ago
  17. hannalafave
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    so 12a^2-5a u need to use a 3a again

    • one year ago
  18. mark_o.
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    remember always use parenthesis so that you can remember your sign

    • one year ago
  19. mark_o.
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    yes correct use -3a

    • one year ago
  20. hannalafave
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    (-3a)|dw:1354760013653:dw|

    • one year ago
  21. mark_o.
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    - 12x^2 - 5x -( -12x^2 - 9x ) ---------------- 0 + 4x yes or no?

    • one year ago
  22. hannalafave
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    yes

    • one year ago
  23. mark_o.
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    your -9 became +9 correct? so -5a +9a= 4a

    • one year ago
  24. hannalafave
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    yes so we have 4a+10 left

    • one year ago
  25. mark_o.
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    yes continue doing division :D

    • one year ago
  26. hannalafave
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    1 * 4a+3

    • one year ago
  27. mark_o.
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    + 4 a +10 -( 4a + 3 } --------------- 0 + 7=R

    • one year ago
  28. hannalafave
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    so the answer is 3a^2-3a+1 7/4a+3

    • one year ago
  29. mark_o.
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    yeahhh correct :D

    • one year ago
  30. hannalafave
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    it says it's wrong =(

    • one year ago
  31. mark_o.
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    you can re chack that by multiplying (4a^2 +3)(3a^2 -3x +1 + 7/(4x+3))

    • one year ago
  32. hannalafave
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    its the faction

    • one year ago
  33. hannalafave
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    fraction

    • one year ago
  34. mark_o.
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    will you pls check the real prob again is this it ? 12a^3-3a^2-5a+10/(4a+3)

    • one year ago
  35. hannalafave
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    yea thats it

    • one year ago
  36. hannalafave
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    is it -1

    • one year ago
  37. mark_o.
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    ok lets try multiplying them to check if we arrived on it

    • one year ago
  38. mark_o.
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    (4x+3)(3x^2 -3x +1 + 1/ (4x+3))

    • one year ago
  39. hannalafave
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    12a^3-12a^2+4

    • one year ago
  40. mark_o.
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    the R=7 therefore (im gonna use x instead of a here) :D (4x+3)(3x^2 -3x +1 + 7/ (4x+3)) =12x^3 +9x^2 -12x^2 - 9x +4x +3 +7 = 12x^3 -3x^2-5x +10 or = 12a^3 -3a^2-5a +10 correct ?

    • one year ago
  41. hannalafave
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    the last one is correct

    • one year ago
  42. mark_o.
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    ok R=7 maybe thats why its looks like its wrong in the beginning?

    • one year ago
  43. hannalafave
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    it need +7/4a+3

    • one year ago
  44. mark_o.
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    whats the answer in the book?

    • one year ago
  45. mark_o.
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    yes correct

    • one year ago
  46. hannalafave
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    ya but i ask it to many time so i got it wrong =(

    • one year ago
  47. hannalafave
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    i have till12 tonight to finish these problem i'm at a lot i only need 1.4% to pass this semester

    • one year ago
  48. hannalafave
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    the new problem is 9a^3-3a^2-3a+15/3a+2

    • one year ago
  49. hannalafave
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    got that one right =)

    • one year ago
  50. mark_o.
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    ok on that one whats the first guess?

    • one year ago
  51. mark_o.
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    9a^3 / 3a= ?

    • one year ago
  52. hannalafave
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    i got it right already i'm on 9b^2-6b-8/3b-1

    • one year ago
  53. hannalafave
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    i got so far on this one 3b is the first

    • one year ago
  54. mark_o.
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    ok

    • one year ago
  55. hannalafave
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    the answer i came up with is 3b-3b- 7/3b-1

    • one year ago
  56. mark_o.
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    nope :D

    • one year ago
  57. hannalafave
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    no its wrong =(

    • one year ago
  58. mark_o.
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    try again.... :D

    • one year ago
  59. hannalafave
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    oh 3b-1b-7/3b-1

    • one year ago
  60. hannalafave
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    -9/3b-1

    • one year ago
  61. mark_o.
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    hmm if your answer start with 3b the next to it must not have any more variable b because the polynomial like ax^5 +b x^4 +cx^3 +dx^2 +ex + f you are here -----> 3b +__? gets?

    • one year ago
  62. mark_o.
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    the power should be in ascending or descending order :D

    • one year ago
  63. hannalafave
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    thats right just 1

    • one year ago
  64. hannalafave
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    descending

    • one year ago
  65. mark_o.
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    ok good,, so whats your answer?

    • one year ago
  66. hannalafave
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    3b-1- 7/3b-1

    • one year ago
  67. mark_o.
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    hmm (3b-1)(3b-1)=?

    • one year ago
  68. mark_o.
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    i think you slipped on your R=? re check again on getting your R?

    • one year ago
  69. hannalafave
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    9b^2-3b-3b+2=== 9b^2+-6b+2

    • one year ago
  70. hannalafave
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    -8-(-1) =-7

    • one year ago
  71. mark_o.
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    -3b -8 -(-3b +1) ---------- 0 - ?

    • one year ago
  72. hannalafave
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    -9

    • one year ago
  73. hannalafave
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    i got it i got it =) thanks again

    • one year ago
  74. mark_o.
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    ok YW :D

    • one year ago
  75. hannalafave
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    i'm a slow learner and never did this in high school

    • one year ago
  76. mark_o.
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    ok now you are doing good.... it just takes practice :D

    • one year ago
  77. hannalafave
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    yea thank god this is my last semester in it......

    • one year ago
  78. mark_o.
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    no one is a slow learner... its just depend if you are interested to it before or now or then .. :D

    • one year ago
  79. hannalafave
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    i'm not i will not use this in my culinary classes at all!!!!!!!!!!!

    • one year ago
  80. mark_o.
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    ive seen that you are interested to it so i did show you step by step it doesnt mean you are slow learner.. its because you are now learning it or reviewing it ..............:D

    • one year ago
  81. hannalafave
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    can u help me with my last one

    • one year ago
  82. mark_o.
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    yes you will in finding the correct ratios of those thing you need to cook according to the recipe :D

    • one year ago
  83. hannalafave
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    3-5x^2/x+2

    • one year ago
  84. mark_o.
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    ok what is it

    • one year ago
  85. hannalafave
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    i know u have to do this -5x^2+0x+3/x+2

    • one year ago
  86. mark_o.
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    arrange them first in ascending order then divide

    • one year ago
  87. mark_o.
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    yes correct go ahjead and try that

    • one year ago
  88. hannalafave
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    ok i came up with -5x-10 -17/x-2

    • one year ago
  89. hannalafave
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    ops +10

    • one year ago
  90. hannalafave
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    and +17

    • one year ago
  91. mark_o.
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    yesssssssssssss correct..............:D

    • one year ago
  92. mark_o.
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    hmm not +17 :(

    • one year ago
  93. hannalafave
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    yes -5x+10 -17/x-2

    • one year ago
  94. hannalafave
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    no it says its wrong =(

    • one year ago
  95. mark_o.
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    .this is the correct prob 3-5x^2/x+2 tyhen it should be x+2

    • one year ago
  96. mark_o.
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    not x-2

    • one year ago
  97. hannalafave
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    it worked =)

    • one year ago
  98. mark_o.
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    ok always check the prob correctly thats the main key :D

    • one year ago
  99. mark_o.
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    ok good...... :D

    • one year ago
  100. mark_o.
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    i can see from now that youl be earning good money in your culinary class after graduating :D

    • one year ago
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