(9x^2)=55x+6

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Solution for (9x^2)=55x+6 equation:


Simplifying
(9x2) = 55x + 6

Reorder the terms:
(9x2) = 6 + 55x

Solving
(9x2) = 6 + 55x

Solving for variable 'x'.

Reorder the terms:
-6 + -55x + (9x2) = 6 + 55x + -6 + -55x

Reorder the terms:
-6 + -55x + (9x2) = 6 + -6 + 55x + -55x

Combine like terms: 6 + -6 = 0
-6 + -55x + (9x2) = 0 + 55x + -55x
-6 + -55x + (9x2) = 55x + -55x

Combine like terms: 55x + -55x = 0
-6 + -55x + (9x2) = 0

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

Divide each side by '9'.
-0.6666666667 + -6.111111111x + x2 = 0

Move the constant term to the right:

Add '0.6666666667' to each side of the equation.
-0.6666666667 + -6.111111111x + 0.6666666667 + x2 = 0 + 0.6666666667

Reorder the terms:
-0.6666666667 + 0.6666666667 + -6.111111111x + x2 = 0 + 0.6666666667

Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000
0.0000000000 + -6.111111111x + x2 = 0 + 0.6666666667
-6.111111111x + x2 = 0 + 0.6666666667

Combine like terms: 0 + 0.6666666667 = 0.6666666667
-6.111111111x + x2 = 0.6666666667

The x term is -6.111111111x.  Take half its coefficient (-3.055555556).
Square it (9.336419756) and add it to both sides.

Add '9.336419756' to each side of the equation.
-6.111111111x + 9.336419756 + x2 = 0.6666666667 + 9.336419756

Reorder the terms:
9.336419756 + -6.111111111x + x2 = 0.6666666667 + 9.336419756

Combine like terms: 0.6666666667 + 9.336419756 = 10.0030864227
9.336419756 + -6.111111111x + x2 = 10.0030864227

Factor a perfect square on the left side:
((x) + -3.055555556)((x) + -3.055555556) = 10.0030864227

Calculate the square root of the right side: 3.162765629

Break this problem into two subproblems by setting 
((x) + -3.055555556) equal to 3.162765629 and -3.162765629.

Subproblem 1

(x) + -3.055555556 = 3.162765629 Simplifying (x) + -3.055555556 = 3.162765629 x + -3.055555556 = 3.162765629 Reorder the terms: -3.055555556 + x = 3.162765629 Solving -3.055555556 + x = 3.162765629 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.055555556' to each side of the equation. -3.055555556 + 3.055555556 + x = 3.162765629 + 3.055555556 Combine like terms: -3.055555556 + 3.055555556 = 0.000000000 0.000000000 + x = 3.162765629 + 3.055555556 x = 3.162765629 + 3.055555556 Combine like terms: 3.162765629 + 3.055555556 = 6.218321185 x = 6.218321185 Simplifying x = 6.218321185

Subproblem 2

(x) + -3.055555556 = -3.162765629 Simplifying (x) + -3.055555556 = -3.162765629 x + -3.055555556 = -3.162765629 Reorder the terms: -3.055555556 + x = -3.162765629 Solving -3.055555556 + x = -3.162765629 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.055555556' to each side of the equation. -3.055555556 + 3.055555556 + x = -3.162765629 + 3.055555556 Combine like terms: -3.055555556 + 3.055555556 = 0.000000000 0.000000000 + x = -3.162765629 + 3.055555556 x = -3.162765629 + 3.055555556 Combine like terms: -3.162765629 + 3.055555556 = -0.107210073 x = -0.107210073 Simplifying x = -0.107210073

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.218321185, -0.107210073}

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