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chubbytots

6x^2+5-4=

  • one year ago
  • one year ago

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  1. Directrix
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    What are the instructions for the posted problem?

    • one year ago
  2. chubbytots
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    its factoring diamond

    • one year ago
  3. Directrix
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    There's an x missing here, I think --> 6x^2+5-4= --> after the "5." I don't know the diamond technique. I can factor by grouping.

    • one year ago
  4. chubbytots
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    yeah factor by grouping :)

    • one year ago
  5. Directrix
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    6x^2 +5x -4 What are two numbers that multiply to -24 AND add to 5 ?

    • one year ago
  6. chubbytots
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    2?

    • one year ago
  7. chubbytots
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    i think e. e

    • one year ago
  8. chubbytots
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    ithink anyways i have the other side of it.. its (2x-1)( )

    • one year ago
  9. Directrix
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    Okay. What number times -1 will multiply to -4. -1*? = - 4 ? Help me out a little bit, and I can help you finish this. Okay?

    • one year ago
  10. chubbytots
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    1

    • one year ago
  11. Directrix
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    -1 * 1 = -1 so that is not it.

    • one year ago
  12. chubbytots
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    1 can multiply -4

    • one year ago
  13. chubbytots
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    no wait wat?? i need to find a number that can multiply by 4?

    • one year ago
  14. Directrix
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    Yes, so -1 times 4 = -4 which means 6x^2 +5x -4 = (2x-1)( ? +4 ) We're almost there. (2x) times what equals 6 x^2 ?

    • one year ago
  15. chubbytots
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    3x?

    • one year ago
  16. chubbytots
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    so its 3x-4?

    • one year ago
  17. Directrix
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    Let's see if it works: 6x^2 +5x -4 = (2x-1)( 3x +4 ) ?? @chubbytots What do you think?

    • one year ago
  18. chubbytots
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    yep its right actually im answering a puzzle e. e

    • one year ago
  19. Lynncake
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    that's right @Directrix

    • one year ago
  20. chubbytots
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    \[3x^2-11x-20=\]

    • one year ago
  21. Directrix
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    >>so its 3x-4? I did not get that.

    • one year ago
  22. chubbytots
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    its 3x+4

    • one year ago
  23. chubbytots
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    for da first group and the second group is?

    • one year ago
  24. Directrix
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    (2x-1)*(3x-4) multiplies to 6x^2 -11x + 4 which is not the given problem.

    • one year ago
  25. Directrix
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    Okay, let's try that.

    • one year ago
  26. chubbytots
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    6x^2 -11x + 4=(2x-1)(3x+4)

    • one year ago
  27. Directrix
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    (2x-1)*(3x+4) = 6x^2 -3x + 8x -4 = 6x^2 + 5x - 4.

    • one year ago
  28. chubbytots
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    thats da second question and da second question is \[3x^2-11x-20=(3x+4)( ? )\]

    • one year ago
  29. chubbytots
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    i mean third**

    • one year ago
  30. Directrix
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    I only saw the first problem.

    • one year ago
  31. chubbytots
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    i need the third problem cuz this is a pzzle v. v

    • one year ago
  32. Directrix
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    3x^2 -11x - 20 = (3x+4) * ( ) What times 3x is equal to 3 x^2 ?

    • one year ago
  33. chubbytots
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    4x+3?

    • one year ago
  34. Directrix
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    3x^2 -11x - 20 = (3x+4) * (x )

    • one year ago
  35. Directrix
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    3x times 4x = 12 x^2 -->doesn't work

    • one year ago
  36. chubbytots
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    is it positve 3?

    • one year ago
  37. Directrix
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    3x times 3 = 9x.

    • one year ago
  38. chubbytots
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    yes

    • one year ago
  39. Directrix
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    Oh, you mean ( x + 3) as the second factor?

    • one year ago
  40. chubbytots
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    yes

    • one year ago
  41. Directrix
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    (3x+4) * (x + 3 ) = 3x^2 -11x - 20 ?? 3x^2 + 9x + 4x + 12 Nope.

    • one year ago
  42. Directrix
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    We could guess forever.

    • one year ago
  43. chubbytots
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    xDD i think lol and another one :O

    • one year ago
  44. Directrix
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    Here is where we are: 3x^2 -11x - 20 = (3x+4) * (x ) We have to get -20 for the last term. 4 times what equals - 20 ?--->

    • one year ago
  45. chubbytots
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    i think its x-3?

    • one year ago
  46. Directrix
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    4 times - 3 is not -20.

    • one year ago
  47. chubbytots
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    i mean 2?

    • one year ago
  48. chubbytots
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    i mean 5 sorry :o

    • one year ago
  49. Directrix
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    4 times 5 is close but 4 times 5 does not equal -20

    • one year ago
  50. chubbytots
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    hmmmm

    • one year ago
  51. chubbytots
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    i think we need to make one of them a negative right?

    • one year ago
  52. Directrix
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    Yes.

    • one year ago
  53. chubbytots
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    so-5?

    • one year ago
  54. Directrix
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    Yes

    • one year ago
  55. chubbytots
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    its x-5?

    • one year ago
  56. Directrix
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    3x^2 -11x - 20 = (3x+4) * (x - 5 )

    • one year ago
  57. Directrix
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    That works.

    • one year ago
  58. chubbytots
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    yes

    • one year ago
  59. chubbytots
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    \[6x^2+11x-10=(2x+5)(?)\]

    • one year ago
  60. Directrix
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    It's your turn to do this one. :) You come up with the factors, and I will check.

    • one year ago
  61. chubbytots
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    i'll be guessing dou

    • one year ago
  62. Directrix
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    That's what I ended up doing because you didn't like factoring by grouping.

    • one year ago
  63. chubbytots
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    2x+1

    • one year ago
  64. chubbytots
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    lol actually this s factoring by grouping.. and i need to do factor diamond

    • one year ago
  65. chubbytots
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    its like two steps first is factoring by grouping and factoring diamond

    • one year ago
  66. Directrix
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    That diamond thing is sophisticated guessing for me.

    • one year ago
  67. chubbytots
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    x. x so can we do factoring by grouping?

    • one year ago
  68. Directrix
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    (2x+1)*(2x+5) = 4x^2 + 12x + 5 --> This is from your guess.

    • one year ago
  69. Directrix
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    It didn't work.

    • one year ago
  70. chubbytots
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    2x-5?

    • one year ago
  71. Directrix
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    I'm going to group.

    • one year ago
  72. chubbytots
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    is it 6x10?

    • one year ago
  73. chubbytots
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    6x10=60 ryt and wet going to make one of them a negative?

    • one year ago
  74. Directrix
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    6 + 10 is not 11

    • one year ago
  75. Directrix
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    15 and -4.

    • one year ago
  76. Directrix
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    x^2 + 11x - 10 = x^2 + 15x - 4x - 10

    • one year ago
  77. chubbytots
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    5x+2?

    • one year ago
  78. Directrix
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    This thread is so long that I have lost the problem.

    • one year ago
  79. Directrix
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    (2x + 5) * ( 3x + 2) That is my last factoring problem on this puzzle.

    • one year ago
  80. chubbytots
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    so its 3x+2?

    • one year ago
  81. chubbytots
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    3x-2?

    • one year ago
  82. Directrix
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    6x^2 + 15x - 4x - 10 = 3x(2x + 5) - 2(2x + 5) = (2x + 5) * ( 3x - 2). Right.

    • one year ago
  83. chubbytots
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    owoo that was brain storm >,<

    • one year ago
  84. Directrix
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    The more of this stuff you do, the better you get. Except, I seem to be getting worse.

    • one year ago
  85. chubbytots
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    ohh yah sure cuz when im learning this i was lazy thats why i came up here >.<

    • one year ago
  86. Directrix
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    What is the next factoring problem?

    • one year ago
  87. chubbytots
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    how abut this? \[7x^2+13x-2=(x+2)(?)\]

    • one year ago
  88. chubbytots
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    xDD under the typing box thou v v v v v

    • one year ago
  89. chubbytots
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    actually this factoring group so on this is the new lesson on our school e. e''''

    • one year ago
  90. chubbytots
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    and imto lazy about it

    • one year ago
  91. chubbytots
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    xDD uhh nope o. o

    • one year ago
  92. chubbytots
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    ohh well i better rap dis up cuz im gonna go early tommorow well thanks fo the help :)

    • one year ago
  93. Directrix
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    Okay. See later on here.

    • one year ago
  94. chubbytots
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    ok byee

    • one year ago
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