4x+1/x+1=0.9

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Solution for 4x+1/x+1=0.9 equation: 



4x+1/x+1=0.9

We move all terms to the left:

4x+1/x+1-(0.9)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

4x+1/x+0.1=0

We multiply all the terms by the denominator


4x*x+(0.1)*x+1=0

We multiply parentheses

4x*x+0.1x+1=0

Wy multiply elements

4x^2+0.1x+1=0

a = 4; b = 0.1; c = +1;
Δ = b2-4ac
Δ = 0.12-4·4·1
Δ = -15.99
Delta is less than zero, so there is no solution for the equation

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