A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 5 years ago

y^2+13y+30 factored

  • This Question is Closed
  1. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Are you just taking answers or do you want to learn the process?

  2. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    need to know the process somewhat but whatever i can get ill take

  3. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Find two numbers that multiply to 30 and add to 13

  4. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    6 and 5 23

  5. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    24

  6. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    6+5=11. We need it to add to 13

  7. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    and when you do that you get 24

  8. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Try 10 and 3.

  9. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    10 and 3 add to 13 and multiply to 30

  10. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ohhh ok

  11. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Gettin the hang of it?

  12. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    how are you coming up with the stuff in parenthese though

  13. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    That's how it is factored. The "FOIL" form. (x+3)(x+13) if you FOIL that, you get x^2+13+30

  14. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    sorry

  15. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I meant to put (x+10)(x+3)

  16. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    but how does that equal to the original equation or whatever

  17. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    X*X=X^2 X*3=3x X*10=10x 3*10=30 Combine like terms.

  18. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    but x and 3 arent alike and neither is x and 10??

  19. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    3x and 10x are.

  20. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yeah but how can you combine 3 and x if they arent alike terms

  21. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    You're not combining. You're multiplying. After you multiply, you combine.

  22. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so if i have d^2-7d+10 the final answer woud be (d+2)(d-5)?

  23. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Almost! (d-2)(d-5)

  24. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ohhh

  25. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Do you see why?

  26. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    cause its minus 7 and 7 is the middle term in the equation thing

  27. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Yes. And you need a negative * negative to equal a positive.

  28. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ohh can you help me with some more?

  29. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Sure

  30. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    g^2-19g+60

  31. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    only thing i can think of for 60 is 20*3 and 10*6 and 60*1

  32. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    How about -15 and -4?

  33. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    but i didnt think you coud use negatives when factoring equations

  34. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Yup you can. You'll need to for equations like this.

  35. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    oh so it would be (g+15)(g+4)?

  36. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    That's the only way to get your -19g

  37. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Nope. Use -15 and -4

  38. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    15+4=19 not -19

  39. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    (g-15)(g-4)

  40. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Perfect!

  41. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    b^2+b-20 how would you do this cause theres only a variable for the middle term and not a number or whatever

  42. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Same exact way. What 2 numbers add up to 1 and multiply to -20?

  43. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    -1 and 1

  44. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    -1 and 20

  45. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    -1 and 20 don't add to 1.

  46. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Think of another combination

  47. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i don know cause thats all i can thing of that would multiply to 20 other than 10*2 4*5

  48. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    -4 and 5

  49. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Lets use 4 and 5. How do we get 1 by adding 4 and 5? Which one has to be negative?

  50. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Good!

  51. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so then its (b-4)(b+5)

  52. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Awesome job. You got it.

  53. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok and i need help with solving equations like b^2+20b+36=0

  54. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Okay. We can use either 36*1, 18*2, 12*3, 9*4, or 6*6. Which one looks best?

  55. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    6*6

  56. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    it needs to add up to 20

  57. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    18*2

  58. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Good

  59. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so then what??

  60. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    sorry my internet crashed

  61. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Consider what you've been doing. Take 18 and 2 and plug them in. (X*18)(X*2)

  62. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so its (x*18)(x*2)?

  63. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    lol sorry. (x+18)(X+2)

  64. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Good catch on my mistake!

  65. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    d^2+2d-8=0

  66. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    -2*4

  67. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Yup that's it.

  68. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    (d-2)(d+4)

  69. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Very nice. Do you think you got it now?

  70. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yeah i think possibly for now

  71. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Keep working at it. I think you're picking it up well.

  72. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    well i have one here to factor that has 2 different variables x^2-13xy+36y^2

  73. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Ok. Lets start simple and think of 2 numbers that add to -13 and multiply to 36.

  74. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    -5*8

  75. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Doesn't multiply to 36

  76. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Or add to -13

  77. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    36*1 12*3 6*6 is all i can think of

  78. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    This one is tricky. I'll give you the answer and you can try the next on your own. (x-9y)(x-4y)

  79. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I have to run. Good luck shania. I hope I was helpful.

  80. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ok thanks

  81. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.