anonymous
  • anonymous
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.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
|dw:1441056093942:dw|
Nnesha
  • Nnesha
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 :=)
Nnesha
  • Nnesha
alright first step) multiply the top and bottom with the `conjugate` of the denominator

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anonymous
  • anonymous
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|
Nnesha
  • Nnesha
right right now simplify that
Nnesha
  • Nnesha
wait a sec
anonymous
  • anonymous
okay
Nnesha
  • Nnesha
yes that's right :=) now simplify that
Nnesha
  • Nnesha
you have i^2 at the numerator
anonymous
  • anonymous
|dw:1441057716162:dw|
anonymous
  • anonymous
what did i do wrong bc im prettysure thats not right
Nnesha
  • Nnesha
HMM how did you get -9 at the denominator ?
Nnesha
  • Nnesha
|dw:1441058073402:dw|
anonymous
  • anonymous
i used foil from the (4-5i) (4+5i) to get -9
Nnesha
  • Nnesha
no that's not right so how did you get 4^2 and 5^2 first time ?
Nnesha
  • Nnesha
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
anonymous
  • anonymous
|dw:1441058403070:dw|
anonymous
  • anonymous
like that
Nnesha
  • Nnesha
|dw:1441058547198:dw| combine like terms yes that' right
Nnesha
  • Nnesha
and replace i^2 with -1
anonymous
  • anonymous
40 * -1 ?
anonymous
  • anonymous
-40
Nnesha
  • Nnesha
oh wait i made a typo it's 4+5i
Nnesha
  • Nnesha
|dw:1441059006385:dw| sorry about that so 20i -20i cancels out