4(x+1)+9/x+1=12

Solution for 4(x+1)+9/x+1=12 equation:

4(x+1)+9/x+1=12

We move all terms to the left:

4(x+1)+9/x+1-(12)=0


Domain of the equation: x!=0

x∈R


We add all the numbers together, and all the variables

4(x+1)+9/x-11=0

We multiply parentheses

4x+9/x+4-11=0

We multiply all the terms by the denominator


4x*x+4*x-11*x+9=0

We add all the numbers together, and all the variables

-7x+4x*x+9=0

Wy multiply elements

4x^2-7x+9=0

a = 4; b = -7; c = +9;
Δ = b2-4ac
Δ = -72-4·4·9
Δ = -95
Delta is less than zero, so there is no solution for the equation