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√18-9x=3 equation

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Numerical solution:

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The solution

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  ____          
\/ 18  - 9*x = 3
−9x+18=3- 9 x + \sqrt{18} = 3
Simplify
Detail solution
Given the linear equation:
sqrt(18)-9*x = 3

Expand brackets in the left part
sqrt18-9*x = 3

Divide both parts of the equation by (-9*x + 3*sqrt(2))/x
x = 3 / ((-9*x + 3*sqrt(2))/x)

We get the answer: x = -1/3 + sqrt(2)/3
The graph
-12.5-10.0-7.5-5.0-2.50.02.55.07.510.012.515.0-200200
Plot the graph f1(x)
Plot the graph f2(x)
Rapid solution [src] 
             ___
       1   \/ 2 
x1 = - - + -----
       3     3
x1=−13+23x_{1} = - \frac{1}{3} + \frac{\sqrt{2}}{3} 
x1 = -1/3 + sqrt(2)/3
Sum and product of roots [src] 
sum
        ___
  1   \/ 2 
- - + -----
  3     3
−13+23- \frac{1}{3} + \frac{\sqrt{2}}{3} 
=
        ___
  1   \/ 2 
- - + -----
  3     3
−13+23- \frac{1}{3} + \frac{\sqrt{2}}{3} 
product
        ___
  1   \/ 2 
- - + -----
  3     3
−13+23- \frac{1}{3} + \frac{\sqrt{2}}{3} 
=
        ___
  1   \/ 2 
- - + -----
  3     3
−13+23- \frac{1}{3} + \frac{\sqrt{2}}{3} 
-1/3 + sqrt(2)/3
Numerical answer [src] 
x1 = 0.138071187457698
x1 = 0.138071187457698
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