4x^2-50x+51=0

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Solution for 4x^2-50x+51=0 equation:


Simplifying
4x2 + -50x + 51 = 0

Reorder the terms:
51 + -50x + 4x2 = 0

Solving
51 + -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'.
12.75 + -12.5x + x2 = 0

Move the constant term to the right:

Add '-12.75' to each side of the equation.
12.75 + -12.5x + -12.75 + x2 = 0 + -12.75

Reorder the terms:
12.75 + -12.75 + -12.5x + x2 = 0 + -12.75

Combine like terms: 12.75 + -12.75 = 0.00
0.00 + -12.5x + x2 = 0 + -12.75
-12.5x + x2 = 0 + -12.75

Combine like terms: 0 + -12.75 = -12.75
-12.5x + x2 = -12.75

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 = -12.75 + 39.0625

Reorder the terms:
39.0625 + -12.5x + x2 = -12.75 + 39.0625

Combine like terms: -12.75 + 39.0625 = 26.3125
39.0625 + -12.5x + x2 = 26.3125

Factor a perfect square on the left side:
(x + -6.25)(x + -6.25) = 26.3125

Calculate the square root of the right side: 5.129571132

Break this problem into two subproblems by setting 
(x + -6.25) equal to 5.129571132 and -5.129571132.

Subproblem 1

x + -6.25 = 5.129571132 Simplifying x + -6.25 = 5.129571132 Reorder the terms: -6.25 + x = 5.129571132 Solving -6.25 + x = 5.129571132 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 = 5.129571132 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = 5.129571132 + 6.25 x = 5.129571132 + 6.25 Combine like terms: 5.129571132 + 6.25 = 11.379571132 x = 11.379571132 Simplifying x = 11.379571132

Subproblem 2

x + -6.25 = -5.129571132 Simplifying x + -6.25 = -5.129571132 Reorder the terms: -6.25 + x = -5.129571132 Solving -6.25 + x = -5.129571132 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 = -5.129571132 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = -5.129571132 + 6.25 x = -5.129571132 + 6.25 Combine like terms: -5.129571132 + 6.25 = 1.120428868 x = 1.120428868 Simplifying x = 1.120428868

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.379571132, 1.120428868}

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