4x^2-19x+17=0

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Solution for 4x^2-19x+17=0 equation:


Simplifying
4x2 + -19x + 17 = 0

Reorder the terms:
17 + -19x + 4x2 = 0

Solving
17 + -19x + 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'.
4.25 + -4.75x + x2 = 0

Move the constant term to the right:

Add '-4.25' to each side of the equation.
4.25 + -4.75x + -4.25 + x2 = 0 + -4.25

Reorder the terms:
4.25 + -4.25 + -4.75x + x2 = 0 + -4.25

Combine like terms: 4.25 + -4.25 = 0.00
0.00 + -4.75x + x2 = 0 + -4.25
-4.75x + x2 = 0 + -4.25

Combine like terms: 0 + -4.25 = -4.25
-4.75x + x2 = -4.25

The x term is -4.75x.  Take half its coefficient (-2.375).
Square it (5.640625) and add it to both sides.

Add '5.640625' to each side of the equation.
-4.75x + 5.640625 + x2 = -4.25 + 5.640625

Reorder the terms:
5.640625 + -4.75x + x2 = -4.25 + 5.640625

Combine like terms: -4.25 + 5.640625 = 1.390625
5.640625 + -4.75x + x2 = 1.390625

Factor a perfect square on the left side:
(x + -2.375)(x + -2.375) = 1.390625

Calculate the square root of the right side: 1.179247642

Break this problem into two subproblems by setting 
(x + -2.375) equal to 1.179247642 and -1.179247642.

Subproblem 1

x + -2.375 = 1.179247642 Simplifying x + -2.375 = 1.179247642 Reorder the terms: -2.375 + x = 1.179247642 Solving -2.375 + x = 1.179247642 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.375' to each side of the equation. -2.375 + 2.375 + x = 1.179247642 + 2.375 Combine like terms: -2.375 + 2.375 = 0.000 0.000 + x = 1.179247642 + 2.375 x = 1.179247642 + 2.375 Combine like terms: 1.179247642 + 2.375 = 3.554247642 x = 3.554247642 Simplifying x = 3.554247642

Subproblem 2

x + -2.375 = -1.179247642 Simplifying x + -2.375 = -1.179247642 Reorder the terms: -2.375 + x = -1.179247642 Solving -2.375 + x = -1.179247642 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.375' to each side of the equation. -2.375 + 2.375 + x = -1.179247642 + 2.375 Combine like terms: -2.375 + 2.375 = 0.000 0.000 + x = -1.179247642 + 2.375 x = -1.179247642 + 2.375 Combine like terms: -1.179247642 + 2.375 = 1.195752358 x = 1.195752358 Simplifying x = 1.195752358

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.554247642, 1.195752358}

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