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anonymous

  • one year ago

Add: (3x4 + x2 + 2) + (9x4 - x2 + x)

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  1. anonymous
    • one year ago
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    think of this as "combine like terms"

  2. anonymous
    • one year ago
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    but is it x4

  3. pooja195
    • one year ago
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    \[\huge~\rm~ 3x^4 + x^2 + 2 + 9x^4 - x^2 + x\]

  4. anonymous
    • one year ago
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    \[3x^4+9x^4=?\]

  5. anonymous
    • one year ago
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    so it's 12x4?

  6. anonymous
    • one year ago
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    the first term is, yes

  7. anonymous
    • one year ago
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    then \[x^2-x^2=?\]

  8. anonymous
    • one year ago
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    ok the second term is x2

  9. anonymous
    • one year ago
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    hmm no

  10. anonymous
    • one year ago
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    what is \[x^2-x^2\]?

  11. anonymous
    • one year ago
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    ok

  12. pooja195
    • one year ago
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    Think of it as \[\huge~\rm~1x^2−1x^2\] 1-1=?

  13. anonymous
    • one year ago
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    that's 0 so the answer is x2 but you guys said no so i'm not sure

  14. pooja195
    • one year ago
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    They cancel out

  15. anonymous
    • one year ago
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    so war does that equal

  16. pooja195
    • one year ago
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    0

  17. pooja195
    • one year ago
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    Therefore we ignore it

  18. anonymous
    • one year ago
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    and then it's x2 right?

  19. pooja195
    • one year ago
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    \[\huge~\rm~(3x^4+9x^4)+(x^2+−x^2)+(x)+(2)\] Ok so we have 12x^4+x+2

  20. anonymous
    • one year ago
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    none of those are like terms so is that the answer

  21. anonymous
    • one year ago
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    right?

  22. pooja195
    • one year ago
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    yep

  23. pooja195
    • one year ago
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    12x^4+x+2

  24. anonymous
    • one year ago
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    ok thanks a lot i don't know who to give the medal to

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