4x^2-50x+9=0

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Solution for 4x^2-50x+9=0 equation:


Simplifying
4x2 + -50x + 9 = 0

Reorder the terms:
9 + -50x + 4x2 = 0

Solving
9 + -50x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
2.25 + -12.5x + x2 = 0

Move the constant term to the right:

Add '-2.25' to each side of the equation.
2.25 + -12.5x + -2.25 + x2 = 0 + -2.25

Reorder the terms:
2.25 + -2.25 + -12.5x + x2 = 0 + -2.25

Combine like terms: 2.25 + -2.25 = 0.00
0.00 + -12.5x + x2 = 0 + -2.25
-12.5x + x2 = 0 + -2.25

Combine like terms: 0 + -2.25 = -2.25
-12.5x + x2 = -2.25

The x term is -12.5x.  Take half its coefficient (-6.25).
Square it (39.0625) and add it to both sides.

Add '39.0625' to each side of the equation.
-12.5x + 39.0625 + x2 = -2.25 + 39.0625

Reorder the terms:
39.0625 + -12.5x + x2 = -2.25 + 39.0625

Combine like terms: -2.25 + 39.0625 = 36.8125
39.0625 + -12.5x + x2 = 36.8125

Factor a perfect square on the left side:
(x + -6.25)(x + -6.25) = 36.8125

Calculate the square root of the right side: 6.06733055

Break this problem into two subproblems by setting 
(x + -6.25) equal to 6.06733055 and -6.06733055.

Subproblem 1

x + -6.25 = 6.06733055 Simplifying x + -6.25 = 6.06733055 Reorder the terms: -6.25 + x = 6.06733055 Solving -6.25 + x = 6.06733055 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.25' to each side of the equation. -6.25 + 6.25 + x = 6.06733055 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = 6.06733055 + 6.25 x = 6.06733055 + 6.25 Combine like terms: 6.06733055 + 6.25 = 12.31733055 x = 12.31733055 Simplifying x = 12.31733055

Subproblem 2

x + -6.25 = -6.06733055 Simplifying x + -6.25 = -6.06733055 Reorder the terms: -6.25 + x = -6.06733055 Solving -6.25 + x = -6.06733055 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.25' to each side of the equation. -6.25 + 6.25 + x = -6.06733055 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = -6.06733055 + 6.25 x = -6.06733055 + 6.25 Combine like terms: -6.06733055 + 6.25 = 0.18266945 x = 0.18266945 Simplifying x = 0.18266945

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.31733055, 0.18266945}

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