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n+1/6n+21/2n+7=121/2
We move all terms to the left:
n+1/6n+21/2n+7-(121/2)=0
Domain of the equation: 6n!=0
n!=0/6
n!=0
n∈R
Domain of the equation: 2n!=0We add all the numbers together, and all the variables
n!=0/2
n!=0
n∈R
n+1/6n+21/2n+7-(+121/2)=0
We get rid of parentheses
n+1/6n+21/2n+7-121/2=0
We calculate fractions
n+8n/48n^2+126n/48n^2+(-726n)/48n^2+7=0
We multiply all the terms by the denominator
n*48n^2+8n+126n+(-726n)+7*48n^2=0
We add all the numbers together, and all the variables
134n+n*48n^2+(-726n)+7*48n^2=0
Wy multiply elements
48n^3+336n^2+134n+(-726n)=0
We get rid of parentheses
48n^3+336n^2+134n-726n=0
We do not support enpression: n^3
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