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1-(2/x)=(20-x)/x^2
We move all terms to the left:
1-(2/x)-((20-x)/x^2)=0
Domain of the equation: x)!=0
x!=0/1
x!=0
x∈R
Domain of the equation: x^2)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(+2/x)-((-1x+20)/x^2)+1=0
We get rid of parentheses
-2/x-((-1x+20)/x^2)+1=0
We calculate fractions
We do not support expression: x^3
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