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CarlaByrdGore Group Title

(sq. root sign) x+3=10

  • one year ago
  • one year ago

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  1. hartnn Group Title
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    is it \(\sqrt x+3=10 \\or,\sqrt {x+3}=10 \)

    • one year ago
  2. CarlaByrdGore Group Title
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    the second one

    • one year ago
  3. hartnn Group Title
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    square both sides, what u get ?

    • one year ago
  4. CarlaByrdGore Group Title
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    so it would be 103?

    • one year ago
  5. hartnn Group Title
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    did you get x+3 =100 ?

    • one year ago
  6. CarlaByrdGore Group Title
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    yes and the add three to both sides and x = 103? right

    • one year ago
  7. hartnn Group Title
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    no, x+3 =100 to isolate 'x' , we need to SUBTRACT 3 from both sides, then what u get ?

    • one year ago
  8. CarlaByrdGore Group Title
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    oh okay so it is 97

    • one year ago
  9. CarlaByrdGore Group Title
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    that is where I get confused is whether to add or subtract

    • one year ago
  10. hartnn Group Title
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    yes.

    • one year ago
  11. hartnn Group Title
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    x+3 =100 since 3 is ADDED to x, we do inverse operation of SUBTRACTION to isolate x since, x+3-3 = x+0 = x

    • one year ago
  12. CarlaByrdGore Group Title
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    oh okay thank you I think I got it

    • one year ago
  13. hartnn Group Title
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    welcome ^_^

    • one year ago
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