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(n2-1)/(n2+2)=0.28
We move all terms to the left:
(n2-1)/(n2+2)-(0.28)=0
Domain of the equation: (n2+2)!=0We add all the numbers together, and all the variables
We move all terms containing n to the left, all other terms to the right
n2!=-2
n^2!=-2/
n^2!=√-1/0
n!=NAN
n∈R
(+n^2-1)/(+n^2+2)-(0.28)=0
We add all the numbers together, and all the variables
(+n^2-1)/(+n^2+2)-0.28=0
We multiply all the terms by the denominator
(+n^2-1)-(0.28)*(+n^2+2)=0
We get rid of parentheses
n^2-(0.28)*(+n^2+2)-1=0
We move all terms containing n to the left, all other terms to the right
n^2-(0.28)*(+n^2+2)=1
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