(4/x)+(4/2x+3)=9

Solution for (4/x)+(4/2x+3)=9 equation:

(4/x)+(4/2x+3)=9

We move all terms to the left:

(4/x)+(4/2x+3)-(9)=0


Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



Domain of the equation: 2x+3)!=0

x∈R


We add all the numbers together, and all the variables

(+4/x)+(4/2x+3)-9=0

We get rid of parentheses

4/x+4/2x+3-9=0

We calculate fractions


8x/2x^2+4x/2x^2+3-9=0

We add all the numbers together, and all the variables

8x/2x^2+4x/2x^2-6=0

We multiply all the terms by the denominator


8x+4x-6*2x^2=0

We add all the numbers together, and all the variables

12x-6*2x^2=0

Wy multiply elements

-12x^2+12x=0

a = -12; b = 12; c = 0;
Δ = b2-4ac
Δ = 122-4·(-12)·0
Δ = 144
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{144}=12$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(12)-12}{2*-12}=\frac{-24}{-24}
=1
$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(12)+12}{2*-12}=\frac{0}{-24}
=0
$