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.19=(27x^3(x))/(2.5-2x)^2
 Mar 13, 2014
 #1
avatar+118723 
0
dtrain:

.19=(27x^3(x))/(2.5-2x)^2



[input]19=(27x^3(x))/(2.5-2x)^2[/input]
 Mar 13, 2014
 #2
avatar+118723 
0
dtrain:

.19=(27x^3(x))/(2.5-2x)^2



19(2.5-2x) 2 = 27x 4 where 2.5-2x not equal to 0 ==.> x not equal to 1.25

19(6.25+4x 2-10x)= 27x 4

-27x 4+76x 2-190x+118.75=0

140313 complicated roots.JPG

It is interesting that two different calculators have given 2 different answers This one gives 2 answers, web2.0 calc gives only one.
Maybe i will look at another calculator and go for 2 out of 3

140313 Compicated equation2.JPG

There you go, the 2 graphing calculators agree with each other. How about that.
 Mar 13, 2014

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