0.7=2x+1/x+1

Solution for 0.7=2x+1/x+1 equation:

0.7=2x+1/x+1

We move all terms to the left:

0.7-(2x+1/x+1)=0


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

x∈R


We get rid of parentheses

-2x-1/x-1+0.7=0

We multiply all the terms by the denominator


-2x*x-1*x+(0.7)*x-1=0

We add all the numbers together, and all the variables

-1x-2x*x+(0.7)*x-1=0

We multiply parentheses

-1x-2x*x+0.7x-1=0

Wy multiply elements

-2x^2-1x+0.7x-1=0

We add all the numbers together, and all the variables

-2x^2-0.3x-1=0

a = -2; b = -0.3; c = -1;
Δ = b2-4ac
Δ = -0.32-4·(-2)·(-1)
Δ = -7.91
Delta is less than zero, so there is no solution for the equation