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anonymous

  • one year ago

subtract. 6-(-9+6i)-(-1-i)=

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  1. Nnesha
    • one year ago
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    same like last one what would be ur first step?

  2. anonymous
    • one year ago
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    I tried doing the same process nasha bc i thought they were similar but it didnt work

  3. Nnesha
    • one year ago
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    okay show ur work plz i'll see where u did mistake :=)

  4. anonymous
    • one year ago
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    put all like terms together 6, -9, -1 and then 6i, -i

  5. anonymous
    • one year ago
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    okay one sec

  6. anonymous
    • one year ago
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    |dw:1441038217966:dw|

  7. Nnesha
    • one year ago
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    you didn't distribute \[\huge\rm -(-9+6i)\]

  8. anonymous
    • one year ago
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    oh do i need to distribute a negative one?

  9. Nnesha
    • one year ago
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    yes right!

  10. Nnesha
    • one year ago
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    you CAN'T combine like terms without distributing by outside terms

  11. anonymous
    • one year ago
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    okay and is it the same for the -(-1-i)

  12. Nnesha
    • one year ago
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    yes right

  13. Nnesha
    • one year ago
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    |dw:1441038698971:dw| you already distributd -(-1+i)

  14. anonymous
    • one year ago
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    is the answer 48-7i

  15. Nnesha
    • one year ago
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    hmm nope how did you get that ? :=)

  16. anonymous
    • one year ago
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    okay so this is how it started |dw:1441039035100:dw| |dw:1441039412530:dw| |dw:1441039667322:dw|

  17. Nnesha
    • one year ago
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    |dw:1441039925205:dw| you can remove parentheses after distributing by negative

  18. Nnesha
    • one year ago
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    it's not 6(9+6i)

  19. anonymous
    • one year ago
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    oh okay

  20. Nnesha
    • one year ago
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    yes so it's 6+9-6i+1+i

  21. Nnesha
    • one year ago
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    now combine like terms

  22. anonymous
    • one year ago
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    im getting 16+7i again

  23. anonymous
    • one year ago
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    wait actually 16-7i

  24. anonymous
    • one year ago
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    no okay one more try its actually 16-5i

  25. anonymous
    • one year ago
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    is that right?

  26. Nnesha
    • one year ago
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    right!

  27. anonymous
    • one year ago
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    okay thank you!!!

  28. Nnesha
    • one year ago
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    my pleasure!

  29. Nnesha
    • one year ago
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    good work!

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