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anonymous

  • one year ago

i need help on a math problem

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  1. anonymous
    • one year ago
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    heres what is looks like

  2. anonymous
    • one year ago
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    |dw:1439762357724:dw|

  3. anonymous
    • one year ago
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    solve for x

  4. anonymous
    • one year ago
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    does that say square root of x +4-3=1

  5. anonymous
    • one year ago
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    thats a minus not a division my bad really bad at drawing

  6. anonymous
    • one year ago
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    I'm sorry, I'm still not following. Can you type the problem out please.

  7. anonymous
    • one year ago
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    \[\sqrt{4}-3=1\]

  8. anonymous
    • one year ago
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    sorry typed wrong\[\sqrt{X+4}-3=1\]

  9. anonymous
    • one year ago
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    ok! got it...to solve for x, you have to get x by itself.

  10. anonymous
    • one year ago
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    start by moving what's outside of the radical to the other side..

  11. anonymous
    • one year ago
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    i need to know how like the steps please

  12. anonymous
    • one year ago
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    \[\sqrt{x+4}-3=1\] get rid of the 3 on the left side of the equation, by adding 3 to both sides. so..\[\sqrt{x+4}-3+3=1+3\]

  13. anonymous
    • one year ago
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    now you have\[\sqrt{x+4}=4\]

  14. anonymous
    • one year ago
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    what next please

  15. anonymous
    • one year ago
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    next deal with the square root...how do you think you "undo" a square root?

  16. anonymous
    • one year ago
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    subtract another square root idk

  17. anonymous
    • one year ago
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    ok, try this...what's \[\sqrt{25}\]

  18. anonymous
    • one year ago
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    5

  19. anonymous
    • one year ago
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    oh so do you just simplify it

  20. anonymous
    • one year ago
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    ok, so square root of 25 is 5...how do you get it back to 25?

  21. anonymous
    • one year ago
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    5*5

  22. anonymous
    • one year ago
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    times

  23. anonymous
    • one year ago
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    perfect! you squared it! so to undo a square root you square it!

  24. anonymous
    • one year ago
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    5 times 5

  25. anonymous
    • one year ago
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    \[\sqrt{x+4}^{2}=4^{2}\]

  26. anonymous
    • one year ago
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    16

  27. anonymous
    • one year ago
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    by raising the square root to a power of 2, you pretty much undo it all so you're left with x+4=16

  28. anonymous
    • one year ago
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    solve for x

  29. anonymous
    • one year ago
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    12

  30. anonymous
    • one year ago
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    @nigel305 , what do you think?

  31. anonymous
    • one year ago
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    thanks lol

  32. anonymous
    • one year ago
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    simplier

  33. anonymous
    • one year ago
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    I need a medal since i help

  34. anonymous
    • one year ago
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    sorry cant she was first

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