1.2=x+3/x+1

Solution for 1.2=x+3/x+1 equation:

1.2=x+3/x+1

We move all terms to the left:

1.2-(x+3/x+1)=0


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

x∈R


We get rid of parentheses

-x-3/x-1+1.2=0

We multiply all the terms by the denominator


-x*x-1*x+(1.2)*x-3=0

We add all the numbers together, and all the variables

-1x-x*x+(1.2)*x-3=0

We multiply parentheses

-1x-x*x+1.2x-3=0

Wy multiply elements

-1x^2-1x+1.2x-3=0

We add all the numbers together, and all the variables

-1x^2+0.2x-3=0

a = -1; b = 0.2; c = -3;
Δ = b2-4ac
Δ = 0.22-4·(-1)·(-3)
Δ = -11.96
Delta is less than zero, so there is no solution for the equation