4=-1/x2

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Solution for 4=-1/x2 equation: 



4=-1/x2

We move all terms to the left:

4-(-1/x2)=0



Domain of the equation: x2)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

1/x2+4=0

We multiply all the terms by the denominator


4*x2+1=0

We add all the numbers together, and all the variables

4x^2+1=0

a = 4; b = 0; c = +1;
Δ = b2-4ac
Δ = 02-4·4·1
Δ = -16
Delta is less than zero, so there is no solution for the equation

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