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anonymous

  • one year ago

help me please?!?

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    -_- we are on the same stupid site

  3. anonymous
    • one year ago
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    here.. try this site it helps alot https://mathway.com/

  4. anonymous
    • one year ago
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    let me kno if you get the answer

  5. karatechopper
    • one year ago
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    well first what do you get when you multiply the radicals?

  6. anonymous
    • one year ago
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    8

  7. karatechopper
    • one year ago
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    how about the x's?

  8. anonymous
    • one year ago
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    x^2?

  9. karatechopper
    • one year ago
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    when you have the same base you add the exponents.. so x^2(x) x^(2+1) what do you get?

  10. anonymous
    • one year ago
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    x^3

  11. karatechopper
    • one year ago
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    great put it all together and we know it's \[\sqrt{8x ^{3}}\] right?

  12. anonymous
    • one year ago
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    yes.

  13. karatechopper
    • one year ago
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    okay, now from here. how do we simplify radicals?

  14. anonymous
    • one year ago
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    c?

  15. karatechopper
    • one year ago
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    uhmnot quite

  16. anonymous
    • one year ago
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    okay..no. /.\

  17. karatechopper
    • one year ago
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    we take everything in pairs of 2 out. So let's expand this variable. \[\sqrt{2\times2\times2\times x \times x \times x}\] so what pairs can we take out?

  18. anonymous
    • one year ago
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    a pair of 2's and a pair or x's.

  19. anonymous
    • one year ago
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    so 2x sqrt 2x

  20. karatechopper
    • one year ago
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    yes!

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spraguer (Moderator)
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