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# Polynomial equation help needed...

Maths and statistics discussion, revision, exam and homework help.

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1. Polynomial equation help needed...
Hi there, just having a bit of trouble solving a polynomial equation... might be fairly easy but ive been looking at it for a while and Im possibly going insane... any help much appreciated, looking for steps to solving it , not just an answer thanks !!

2dT^3 + 3cT^2 + 6bT + 6a(ln(T)) - 563.628 = 0

a = 19.89
b = 5.024x10^-2
c = 1.269x10^-5
d = -11.01x10^-9

It's for calculating a temperature rise in methane gas undergoing a compression where Cp is a function of temperature.
value of T should be in the 400K region... just don't know how to go about it without using iteration technique and my calculator wont allow me to input all of these numbers... could be a long night if it comes to that. thanks again
Last edited by duhdon; 29-03-2012 at 20:13. Reason: title error
2. Re: Simultaneous equation help needed...
K as in units of temperature not 1000*
3. Re: Simultaneous equation help needed...
(Original post by duhdon)
Hi there, just having a bit of trouble solving a simultaneous equation... might be fairly easy but ive been looking at it for a while and Im possibly going insane... any help much appreciated, looking for steps to solving it , not just an answer thanks !!

2dT^3 + 3cT^2 + 6bT + 6a(ln(T)) - 563.628 = 0

a = 19.89
b = 5.024x10^-2
c = 1.269x10^-5
d = -11.01x10^-9

It's for calculating a temperature rise in methane gas undergoing a compression where Cp is a function of temperature.
value of T should be in the 400K region... just don't know how to go about it without using iteration technique and my calculator wont allow me to input all of these numbers... could be a long night if it comes to that. thanks again
I can't see any simultaneous equations.
4. Re: Simultaneous equation help needed...
MY BAD right i have gone insane so, polynomial equation solving for T
5. Re: Simultaneous equation help needed...
(Original post by duhdon)
MY BAD right i have gone insane so, polynomial equation solving for T
I think graphing it is the way to go.

6. Re: Polynomial equation help needed...
i see, thanks very much for your help !

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Last updated: March 29, 2012
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