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anonymous

  • one year ago

Okay i have more questions and more medals to offer nnesha please help. I will post the problem in the comments bc otherwise it will be harder to see.

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  1. anonymous
    • one year ago
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    |dw:1441056093942:dw|

  2. Nnesha
    • one year ago
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    tbh doesn't matter if you give me medal or not i'll help if i know how to solve the equation :=) so no need to offer anything btw , i prefer chocolates :=)

  3. Nnesha
    • one year ago
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    alright first step) multiply the top and bottom with the `conjugate` of the denominator

  4. anonymous
    • one year ago
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    oh what kind i have kit kats those are my fav. I know half of the way to create this equation, but I keep getting stuck right at this spot. |dw:1441056481771:dw|

  5. Nnesha
    • one year ago
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    right right now simplify that

  6. Nnesha
    • one year ago
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    wait a sec

  7. anonymous
    • one year ago
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    okay

  8. Nnesha
    • one year ago
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    yes that's right :=) now simplify that

  9. Nnesha
    • one year ago
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    you have i^2 at the numerator

  10. anonymous
    • one year ago
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    |dw:1441057716162:dw|

  11. anonymous
    • one year ago
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    what did i do wrong bc im prettysure thats not right

  12. Nnesha
    • one year ago
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    HMM how did you get -9 at the denominator ?

  13. Nnesha
    • one year ago
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    |dw:1441058073402:dw|

  14. anonymous
    • one year ago
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    i used foil from the (4-5i) (4+5i) to get -9

  15. Nnesha
    • one year ago
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    no that's not right so how did you get 4^2 and 5^2 first time ?

  16. Nnesha
    • one year ago
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    draw a box to foil two parentheses |dw:1441058222164:dw| now multiply top with the left terms then write ur answer in the box that's how you will stay away from little mistakes

  17. anonymous
    • one year ago
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    |dw:1441058403070:dw|

  18. anonymous
    • one year ago
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    like that

  19. Nnesha
    • one year ago
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    |dw:1441058547198:dw| combine like terms yes that' right

  20. Nnesha
    • one year ago
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    and replace i^2 with -1

  21. anonymous
    • one year ago
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    40 * -1 ?

  22. anonymous
    • one year ago
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    -40

  23. Nnesha
    • one year ago
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    oh wait i made a typo it's 4+5i

  24. Nnesha
    • one year ago
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    |dw:1441059006385:dw| sorry about that so 20i -20i cancels out