9x^2-48x+9=0

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Solution for 9x^2-48x+9=0 equation: 


Simplifying
9x2 + -48x + 9 = 0

Reorder the terms:
9 + -48x + 9x2 = 0

Solving
9 + -48x + 9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(3 + -16x + 3x2) = 0

Ignore the factor 3.

Subproblem 1
Set the factor '(3 + -16x + 3x2)' equal to zero and attempt to solve:

Simplifying
3 + -16x + 3x2 = 0

Solving
3 + -16x + 3x2 = 0

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
1 + -5.333333333x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -5.333333333x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -5.333333333x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -5.333333333x + x2 = 0 + -1
-5.333333333x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-5.333333333x + x2 = -1

The x term is -5.333333333x.  Take half its coefficient (-2.666666667).
Square it (7.111111113) and add it to both sides.

Add '7.111111113' to each side of the equation.
-5.333333333x + 7.111111113 + x2 = -1 + 7.111111113

Reorder the terms:
7.111111113 + -5.333333333x + x2 = -1 + 7.111111113

Combine like terms: -1 + 7.111111113 = 6.111111113
7.111111113 + -5.333333333x + x2 = 6.111111113

Factor a perfect square on the left side:
(x + -2.666666667)(x + -2.666666667) = 6.111111113

Calculate the square root of the right side: 2.472066163

Break this problem into two subproblems by setting 
(x + -2.666666667) equal to 2.472066163 and -2.472066163.


Subproblem 1
x + -2.666666667 = 2.472066163

Simplifying
x + -2.666666667 = 2.472066163

Reorder the terms:
-2.666666667 + x = 2.472066163

Solving
-2.666666667 + x = 2.472066163

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2.666666667' to each side of the equation.
-2.666666667 + 2.666666667 + x = 2.472066163 + 2.666666667

Combine like terms: -2.666666667 + 2.666666667 = 0.000000000
0.000000000 + x = 2.472066163 + 2.666666667
x = 2.472066163 + 2.666666667

Combine like terms: 2.472066163 + 2.666666667 = 5.13873283
x = 5.13873283

Simplifying
x = 5.13873283


Subproblem 2
x + -2.666666667 = -2.472066163

Simplifying
x + -2.666666667 = -2.472066163

Reorder the terms:
-2.666666667 + x = -2.472066163

Solving
-2.666666667 + x = -2.472066163

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2.666666667' to each side of the equation.
-2.666666667 + 2.666666667 + x = -2.472066163 + 2.666666667

Combine like terms: -2.666666667 + 2.666666667 = 0.000000000
0.000000000 + x = -2.472066163 + 2.666666667
x = -2.472066163 + 2.666666667

Combine like terms: -2.472066163 + 2.666666667 = 0.194600504
x = 0.194600504

Simplifying
x = 0.194600504


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {5.13873283, 0.194600504}
Solution
x = {5.13873283, 0.194600504}

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