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anonymous

  • one year ago

Can someone please help me simplify these radical expressions? Screen shots included! Medal and fan!

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  1. anonymous
    • one year ago
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  2. sohailiftikhar
    • one year ago
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    ok wright first one \[\sqrt{45n^5}\]

  3. anonymous
    • one year ago
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    3√6 √n^5

  4. anonymous
    • one year ago
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    3√5***

  5. sohailiftikhar
    • one year ago
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    now split the expression ... yes it will be 3 n^2\[\sqrt{5n}\]

  6. sohailiftikhar
    • one year ago
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    \[3n^2 \sqrt{5n}\]

  7. sohailiftikhar
    • one year ago
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    now take second .. \[\sqrt{75}+\sqrt{3}\]

  8. anonymous
    • one year ago
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    ok

  9. sohailiftikhar
    • one year ago
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    \[\sqrt{25\times 3}+\sqrt{3}\]

  10. sohailiftikhar
    • one year ago
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    \[5\sqrt{3}+\sqrt{3}\]

  11. sohailiftikhar
    • one year ago
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    now what you think?

  12. anonymous
    • one year ago
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    wait we're on problem 2 now? you simplified √25x 3?

  13. sohailiftikhar
    • one year ago
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    yes

  14. sohailiftikhar
    • one year ago
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    \[\sqrt{75}=5\sqrt{3}\]

  15. sohailiftikhar
    • one year ago
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    so \[\sqrt{75}+\sqrt{3}=5\sqrt{3}+\sqrt{3}=6\sqrt{3}\]

  16. anonymous
    • one year ago
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    ohh ok

  17. sohailiftikhar
    • one year ago
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    now take third ..

  18. anonymous
    • one year ago
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    wait

  19. sohailiftikhar
    • one year ago
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    what ?

  20. anonymous
    • one year ago
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    So this is correct? 6.) √75 + √3 √25 * 3 + √3 5√3 + √3 = 6√3

  21. anonymous
    • one year ago
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    Okay now for 3

  22. sohailiftikhar
    • one year ago
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    can you do it ?

  23. sohailiftikhar
    • one year ago
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    ok

  24. anonymous
    • one year ago
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    @sohailiftikhar sorry I lost connection please help me with the last one

  25. UnkleRhaukus
    • one year ago
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    are you up to question 7)?

  26. anonymous
    • one year ago
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    yes @UnkleRhaukus

  27. UnkleRhaukus
    • one year ago
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    \[\sqrt7(\sqrt{14}+\sqrt3)\]factor the 14

  28. UnkleRhaukus
    • one year ago
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    like 75 factors to be 3*25

  29. UnkleRhaukus
    • one year ago
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    14 = ? * ?

  30. UnkleRhaukus
    • one year ago
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    what numbers multiply to equal 14?

  31. anonymous
    • one year ago
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    or factoring = breaking it down

  32. anonymous
    • one year ago
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    2*7 lol

  33. UnkleRhaukus
    • one year ago
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    \[\sqrt7(\sqrt{14}+\sqrt3)\\ =\sqrt7(\sqrt{2\times7}+\sqrt3)\\ =\sqrt7(\sqrt2\sqrt7+\sqrt3)\\ =\] now distribute. (multiply the term out the front of the parentheses, by all the terms inside )

  34. UnkleRhaukus
    • one year ago
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    huh?

  35. sohailiftikhar
    • one year ago
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    so you here ?

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