2x+1/x+2=x

Solution for 2x+1/x+2=x equation:

2x+1/x+2=x

We move all terms to the left:

2x+1/x+2-(x)=0


Domain of the equation: x!=0

x∈R


We add all the numbers together, and all the variables

x+1/x+2=0

We multiply all the terms by the denominator


x*x+2*x+1=0

We add all the numbers together, and all the variables

2x+x*x+1=0

Wy multiply elements

x^2+2x+1=0

a = 1; b = 2; c = +1;
Δ = b2-4ac
Δ = 22-4·1·1
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-2}{2}=-1$