katieb
  • katieb
What is the partial fraction decomposition? 8x^2+20x+77/x(x-9)(x-8)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
start like this: a/x+b/(x-9)+c/(x-8)
katieb
  • katieb
I also need a, b, and c. :( Please help.
anonymous
  • anonymous
to get a b and c you need to consider the common denominator. a will be a(x(x-9)), b(x(x-8)) and so on.

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More answers

anonymous
  • anonymous
when you get a common denominator multiply the three terms in the numerator out and separate them into coefficients of x^2, x, and the constant, then look at the numerator of the original equation.
katieb
  • katieb
So which would be the answer? haha ;)
anonymous
  • anonymous
im posting a picture of it, give me a min.
katieb
  • katieb
thank you!
anonymous
  • anonymous
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katieb
  • katieb
I think the answer is supposed to be a couple of fractions?...I'm confused.
anonymous
  • anonymous
Yes, the answer is three fractions. The answer is the same equation written differently.
katieb
  • katieb
Is there any way you could please type out the final answer?
anonymous
  • anonymous
-749/(8 (x-8))+77/(72 x)+905/(9 (x-9))

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