anonymous
  • anonymous
can some one help me with 6 rational expressions?
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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anonymous
  • anonymous
\[\frac{3}{ z-4 }+\frac{6 }{ z+3 }\]
anonymous
  • anonymous
what?
Hero
  • Hero
@Spartan_Of_Ares, I could have sworn I showed you how to simplify rational expressions.

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anonymous
  • anonymous
omggg help me please
anonymous
  • anonymous
i wanted to know if i did this right
anonymous
  • anonymous
spartan
anonymous
  • anonymous
yes
anonymous
  • anonymous
whats the thing is
Hero
  • Hero
@jevans17, post your own question
anonymous
  • anonymous
first i got \[\frac{ 3 }{ z-4 }\]\[\frac{ z+18 }{ (z+3)^2 }\] when multiplying
anonymous
  • anonymous
that came out wrong and jevans i have no clue what your talking about
Hero
  • Hero
Spartan, where's your teacher?
anonymous
  • anonymous
no my problem is not an equation
anonymous
  • anonymous
my teacher was sick today and we didn't really cover this
Hero
  • Hero
Well, you should wait until tomorrow and ask her.
anonymous
  • anonymous
\[\frac{ 3 }{ z-4 }+\frac{ z+18 }{ (z+3)^2 }\] this is how it came out i dont have her again until next tuesday
Hero
  • Hero
That's not what you're supposed to do.
anonymous
  • anonymous
ask your own questio jevans
Hero
  • Hero
You're supposed to do this: \[\frac{3}{z-4} \times 1 + \frac{6}{z + 3} \times 1\] \[\left(\frac{3}{z-4} \times \frac{z+3}{z+3}\right) + \left(\frac{6}{z+3} \times \frac{z-4}{z-4}\right)\]
anonymous
  • anonymous
heroo help me man
anonymous
  • anonymous
help me
Hero
  • Hero
@jevans17, where's your Geometry teacher?
anonymous
  • anonymous
i have none i really need help
Hero
  • Hero
I can't help fifteen people all at once.
anonymous
  • anonymous
pelase help me rea quick sir please
Hero
  • Hero
I still don't understand why you refuse to post your own question
anonymous
  • anonymous
thats my question sir its thee same
anonymous
  • anonymous
\[i got \frac{ 3z+9 }{ z^2-12 }+\frac{ 6z-24 }{ z^2-12 }\]
anonymous
  • anonymous
:{
anonymous
  • anonymous
lol he dumb
Hero
  • Hero
@jevans17, go to your own question
anonymous
  • anonymous
hero it is my own question its the same question
Hero
  • Hero
@Spartan_Of_Ares, you got the numerators correct.
anonymous
  • anonymous
on a scale of 1-10 how badly did i do that?
anonymous
  • anonymous
real bacl a 10
anonymous
  • anonymous
F
Hero
  • Hero
The denominators need work. See if you can understand this: \[(z - 4)(z + 3) = z(z + 3) - 4(z + 3) = z^2 + 3z - 4z - 12 = z^2 - z - 12\]
anonymous
  • anonymous
Hero help me pelase i dont have all day
anonymous
  • anonymous
GTFO!!
Hero
  • Hero
\[\space\space\space\space\space(z - 4)(z + 3) \\= z(z + 3) - 4(z + 3) \\= z^2 + 3z - 4z - 12 \\= z^2 - z - 12\]
anonymous
  • anonymous
Ares shut the f up and learn to multiply
Hero
  • Hero
@Spartan_Of_Ares, do you understand what I am posting?
anonymous
  • anonymous
yes i just didnt understand how you were getting a trinomial but that make sense
anonymous
  • anonymous
Hero how do i get someone else who can help me cause your no help at all
anonymous
  • anonymous
post your own question!
Hero
  • Hero
@jevans17, I refuse to help someone who infiltrates someone else's question.
anonymous
  • anonymous
I posted my own
anonymous
  • anonymous
ok so now ill have \[\frac{ 9z-15 }{z^2-z-12 }\] right?
karatechopper
  • karatechopper
@jevans17 Please refrain from posting your question inside someone else's question. That is just plain Disrespectful.
anonymous
  • anonymous
did i combine it right?
anonymous
  • anonymous
is that my final answer?
anonymous
  • anonymous
(っ⌒‿⌒)っ is it the final answer?(っ⌒‿⌒)っ
Hero
  • Hero
It is correct. That's why I gave you a medal
anonymous
  • anonymous
im sad its not an answer could it be
1 Attachment
Hero
  • Hero
Yes, that is it bro. Remember: (z - 4)(z + 3) = z^2 - z - 12
anonymous
  • anonymous
ok thanks for the help
anonymous
  • anonymous
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anonymous
  • anonymous
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