9x^2-50x+46=0

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Solution for 9x^2-50x+46=0 equation:


Simplifying
9x2 + -50x + 46 = 0

Reorder the terms:
46 + -50x + 9x2 = 0

Solving
46 + -50x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
5.111111111 + -5.555555556x + x2 = 0

Move the constant term to the right:

Add '-5.111111111' to each side of the equation.
5.111111111 + -5.555555556x + -5.111111111 + x2 = 0 + -5.111111111

Reorder the terms:
5.111111111 + -5.111111111 + -5.555555556x + x2 = 0 + -5.111111111

Combine like terms: 5.111111111 + -5.111111111 = 0.000000000
0.000000000 + -5.555555556x + x2 = 0 + -5.111111111
-5.555555556x + x2 = 0 + -5.111111111

Combine like terms: 0 + -5.111111111 = -5.111111111
-5.555555556x + x2 = -5.111111111

The x term is -5.555555556x.  Take half its coefficient (-2.777777778).
Square it (7.716049384) and add it to both sides.

Add '7.716049384' to each side of the equation.
-5.555555556x + 7.716049384 + x2 = -5.111111111 + 7.716049384

Reorder the terms:
7.716049384 + -5.555555556x + x2 = -5.111111111 + 7.716049384

Combine like terms: -5.111111111 + 7.716049384 = 2.604938273
7.716049384 + -5.555555556x + x2 = 2.604938273

Factor a perfect square on the left side:
(x + -2.777777778)(x + -2.777777778) = 2.604938273

Calculate the square root of the right side: 1.613982117

Break this problem into two subproblems by setting 
(x + -2.777777778) equal to 1.613982117 and -1.613982117.

Subproblem 1

x + -2.777777778 = 1.613982117 Simplifying x + -2.777777778 = 1.613982117 Reorder the terms: -2.777777778 + x = 1.613982117 Solving -2.777777778 + x = 1.613982117 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.777777778' to each side of the equation. -2.777777778 + 2.777777778 + x = 1.613982117 + 2.777777778 Combine like terms: -2.777777778 + 2.777777778 = 0.000000000 0.000000000 + x = 1.613982117 + 2.777777778 x = 1.613982117 + 2.777777778 Combine like terms: 1.613982117 + 2.777777778 = 4.391759895 x = 4.391759895 Simplifying x = 4.391759895

Subproblem 2

x + -2.777777778 = -1.613982117 Simplifying x + -2.777777778 = -1.613982117 Reorder the terms: -2.777777778 + x = -1.613982117 Solving -2.777777778 + x = -1.613982117 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.777777778' to each side of the equation. -2.777777778 + 2.777777778 + x = -1.613982117 + 2.777777778 Combine like terms: -2.777777778 + 2.777777778 = 0.000000000 0.000000000 + x = -1.613982117 + 2.777777778 x = -1.613982117 + 2.777777778 Combine like terms: -1.613982117 + 2.777777778 = 1.163795661 x = 1.163795661 Simplifying x = 1.163795661

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.391759895, 1.163795661}

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