x=(21/x)-1

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Solution for x=(21/x)-1 equation: 



x=(21/x)-1

We move all terms to the left:

x-((21/x)-1)=0



Domain of the equation: x)-1)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

x-((+21/x)-1)=0

We multiply all the terms by the denominator


x*x)-1)-((+21=0

Wy multiply elements

x^2+21=0

a = 1; b = 0; c = +21;
Δ = b2-4ac
Δ = 02-4·1·21
Δ = -84
Delta is less than zero, so there is no solution for the equation

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