4x^2-116x+159=0

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Solution for 4x^2-116x+159=0 equation:


Simplifying
4x2 + -116x + 159 = 0

Reorder the terms:
159 + -116x + 4x2 = 0

Solving
159 + -116x + 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'.
39.75 + -29x + x2 = 0

Move the constant term to the right:

Add '-39.75' to each side of the equation.
39.75 + -29x + -39.75 + x2 = 0 + -39.75

Reorder the terms:
39.75 + -39.75 + -29x + x2 = 0 + -39.75

Combine like terms: 39.75 + -39.75 = 0.00
0.00 + -29x + x2 = 0 + -39.75
-29x + x2 = 0 + -39.75

Combine like terms: 0 + -39.75 = -39.75
-29x + x2 = -39.75

The x term is -29x.  Take half its coefficient (-14.5).
Square it (210.25) and add it to both sides.

Add '210.25' to each side of the equation.
-29x + 210.25 + x2 = -39.75 + 210.25

Reorder the terms:
210.25 + -29x + x2 = -39.75 + 210.25

Combine like terms: -39.75 + 210.25 = 170.5
210.25 + -29x + x2 = 170.5

Factor a perfect square on the left side:
(x + -14.5)(x + -14.5) = 170.5

Calculate the square root of the right side: 13.057564857

Break this problem into two subproblems by setting 
(x + -14.5) equal to 13.057564857 and -13.057564857.

Subproblem 1

x + -14.5 = 13.057564857 Simplifying x + -14.5 = 13.057564857 Reorder the terms: -14.5 + x = 13.057564857 Solving -14.5 + x = 13.057564857 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = 13.057564857 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = 13.057564857 + 14.5 x = 13.057564857 + 14.5 Combine like terms: 13.057564857 + 14.5 = 27.557564857 x = 27.557564857 Simplifying x = 27.557564857

Subproblem 2

x + -14.5 = -13.057564857 Simplifying x + -14.5 = -13.057564857 Reorder the terms: -14.5 + x = -13.057564857 Solving -14.5 + x = -13.057564857 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = -13.057564857 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = -13.057564857 + 14.5 x = -13.057564857 + 14.5 Combine like terms: -13.057564857 + 14.5 = 1.442435143 x = 1.442435143 Simplifying x = 1.442435143

Solution

The solution to the problem is based on the solutions from the subproblems. x = {27.557564857, 1.442435143}

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