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anonymous

  • one year ago

multiply. x-5/4x-8 times (12x^2+32x+16)

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  1. anonymous
    • one year ago
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    |dw:1433126245822:dw|

  2. Nnesha
    • one year ago
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    factor that quadratic equation :-)

  3. Nnesha
    • one year ago
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    do you now how to factor quadratic equations ?

  4. anonymous
    • one year ago
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    not really, i know that you know how to break it up though..

  5. Nnesha
    • one year ago
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    first of all find GCF( greatest common factor ) \[\huge\rm 12x^2 +32x +16\]

  6. anonymous
    • one year ago
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    4?

  7. Nnesha
    • one year ago
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    yep right take it out \[4( ???)\] what should be in the parentheses

  8. anonymous
    • one year ago
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    what do i put in the parentheses?.. do i divide them all by 4?

  9. anonymous
    • one year ago
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    im sorry im horrible at math..

  10. Nnesha
    • one year ago
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    yep! that's right

  11. Nnesha
    • one year ago
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    nah u r fine! :-)

  12. anonymous
    • one year ago
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    okay... so i got (3*4) for 12 (2*2*2*2*2) 2x^5 for 32.. and (2*2*2*2)) 2x^4 for 16.. is that right?

  13. Nnesha
    • one year ago
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    you can do like this \[\huge\rm \frac{12x^2 }{4} +\frac{32x}{4} +\frac{16}{4}\] 4( ) write your answer

  14. anonymous
    • one year ago
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    okay, and we use 4 because its the gcf?... so i got 3x^2+8x+4

  15. Nnesha
    • one year ago
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    yep right now find two number if you multiply them you should get product of AC and if you add or subtract them you should get middle term which is 8 |dw:1433127528801:dw|

  16. anonymous
    • one year ago
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    oh okay

  17. anonymous
    • one year ago
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    so these are my answer choices.. - (3x+2)/4(x-5) -(x-5)(3x+2)/4 -(x+5)(3x+2) -(x-5)(12x+8)

  18. anonymous
    • one year ago
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    i think its gonna be the first one?..

  19. Nnesha
    • one year ago
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    what are factors of 3x^2 +8x +4 ?

  20. anonymous
    • one year ago
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    im not sure.. i know i can still factor 8x and 4 by 4 or 2 but idk for 3x^2...

  21. Nnesha
    • one year ago
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    what is a= and c in that equation |dw:1433128106396:dw|

  22. anonymous
    • one year ago
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    a= 3x^2 and c is 4 right?

  23. rissyroo118
    • one year ago
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    x-5/4x-8 x- 5/4x-8m= -1/4x-8

  24. anonymous
    • one year ago
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    im done with this question lol.. but that wasnt one of the answer choices.. but ugh im just gonna guess

  25. rissyroo118
    • one year ago
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    x-5/4x-8*(12x^2+32x+16) = -1/4x-8x

  26. rissyroo118
    • one year ago
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    (12x^2+32x+16)=-1/4x-(8x12^2=8x32x+8*16)

  27. rissyroo118
    • one year ago
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    =-1/4x-(96x^2+256x+128)=-96x^2-2561/4x-128

  28. anonymous
    • one year ago
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    okay, thanks! you needed help with your bio right?

  29. anonymous
    • one year ago
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    biology is my thing, not algebra D:

  30. Nnesha
    • one year ago
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    sorry i lost net connection yesterday :D sorry :( so

  31. Nnesha
    • one year ago
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    sorry i lost net connection yesterday :D sorry :( let me konw if you still need help :-)

  32. anonymous
    • one year ago
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    haha thanks but i figured it out :)

  33. Nnesha
    • one year ago
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    alright

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