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anonymous

  • one year ago

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  1. anonymous
    • one year ago
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    @iambatman

  2. anonymous
    • one year ago
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    Given f(x)=2x^2+8 and g(x)=5x -6

  3. anonymous
    • one year ago
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    please solve this

  4. anonymous
    • one year ago
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    (2x^2+8)+(5x -6 )

  5. anonymous
    • one year ago
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    What do I do do I multiply 2x and 5x?

  6. anonymous
    • one year ago
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    no. 2x^2 and 5x ar not lik terms because they do not have same power of x

  7. anonymous
    • one year ago
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    Do I need a graphing calculator to solve this?

  8. anonymous
    • one year ago
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    Oh.

  9. anonymous
    • one year ago
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    now the answer will be \[ 2x^2+ 5x +2\]

  10. anonymous
    • one year ago
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    (f+g)(x)= f(x)+g(x) = 2x^2 +8 + 5x-6 = 2x^2+ 8 +1

  11. anonymous
    • one year ago
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    Oh. . . How confusing it shows it this way in the book.

  12. anonymous
    • one year ago
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    2x^2+ 8 +1 is very wrong

  13. anonymous
    • one year ago
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    Ahh. . . Okay then. I will follow your lead, what's next?

  14. anonymous
    • one year ago
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    i have given the answer to that

  15. anonymous
    • one year ago
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    Oh okay. I will try the second one on my own you tell me if it's correct.

  16. anonymous
    • one year ago
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    2x^2*5x+2

  17. anonymous
    • one year ago
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    you there?

  18. anonymous
    • one year ago
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    \[(2x^2+8)(5x -6 ) =\]

  19. anonymous
    • one year ago
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    \[2x^2*5x -2x^2*6 +5x*8-8*6\]

  20. anonymous
    • one year ago
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    \[10x^3-12x^2+40x-48 \]

  21. anonymous
    • one year ago
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    that would be the answer

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spraguer (Moderator)
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