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anonymous

  • one year ago

Subtract and simplify: (3x2 + 5x – 4) – (2x2 – 7x – 1) A. 5x2 – 2x – 3 B. x2 + 12x – 3 C. –x2 + 12x – 5 D. –x2 – 2x – 3

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  1. anonymous
    • one year ago
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    @pinkbubbles

  2. anonymous
    • one year ago
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    is this the question? \[(3x^2+5x-4)-(2x^2-7x-1)\]

  3. anonymous
    • one year ago
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    yes it is :)

  4. anonymous
    • one year ago
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    okay! :)

  5. anonymous
    • one year ago
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    Stack the too equations and work it out. 3x^2 + 5x - 4 - 2x^2 - 7x - 1 what do you get by subtracting those two?

  6. anonymous
    • one year ago
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    remember subtracting the x's does not get rid of them, for example: 3x^2 - 2x^2 = x^2

  7. anonymous
    • one year ago
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    \[x^2 + 12x - 3\]

  8. anonymous
    • one year ago
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    (((3•(x2))+5x)-4)-(((2•x2)-7x)-1)

  9. anonymous
    • one year ago
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    Raise x to the 2nd power

  10. anonymous
    • one year ago
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    so it is B ok

  11. anonymous
    • one year ago
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    \[(((3 • x^2) + 5x) - 4) - (2x^2 - 7x - 1)\]

  12. anonymous
    • one year ago
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    Yes! c:

  13. anonymous
    • one year ago
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    yes it is :)

  14. anonymous
    • one year ago
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    \[3x^2+5x-4 - 2x^2-7x-1\]

  15. anonymous
    • one year ago
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    Anyways you get it right? :)

  16. anonymous
    • one year ago
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    and thank you as well @yungjvke

  17. anonymous
    • one year ago
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    HEY PINK I DID IT i did the 2 medal thing lol

  18. anonymous
    • one year ago
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    YAY! i wonder if other people know how to do it?

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spraguer (Moderator)
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