4x^2-34x+17=0

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Solution for 4x^2-34x+17=0 equation:


Simplifying
4x2 + -34x + 17 = 0

Reorder the terms:
17 + -34x + 4x2 = 0

Solving
17 + -34x + 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 + -8.5x + x2 = 0

Move the constant term to the right:

Add '-4.25' to each side of the equation.
4.25 + -8.5x + -4.25 + x2 = 0 + -4.25

Reorder the terms:
4.25 + -4.25 + -8.5x + x2 = 0 + -4.25

Combine like terms: 4.25 + -4.25 = 0.00
0.00 + -8.5x + x2 = 0 + -4.25
-8.5x + x2 = 0 + -4.25

Combine like terms: 0 + -4.25 = -4.25
-8.5x + x2 = -4.25

The x term is -8.5x.  Take half its coefficient (-4.25).
Square it (18.0625) and add it to both sides.

Add '18.0625' to each side of the equation.
-8.5x + 18.0625 + x2 = -4.25 + 18.0625

Reorder the terms:
18.0625 + -8.5x + x2 = -4.25 + 18.0625

Combine like terms: -4.25 + 18.0625 = 13.8125
18.0625 + -8.5x + x2 = 13.8125

Factor a perfect square on the left side:
(x + -4.25)(x + -4.25) = 13.8125

Calculate the square root of the right side: 3.716517187

Break this problem into two subproblems by setting 
(x + -4.25) equal to 3.716517187 and -3.716517187.

Subproblem 1

x + -4.25 = 3.716517187 Simplifying x + -4.25 = 3.716517187 Reorder the terms: -4.25 + x = 3.716517187 Solving -4.25 + x = 3.716517187 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.25' to each side of the equation. -4.25 + 4.25 + x = 3.716517187 + 4.25 Combine like terms: -4.25 + 4.25 = 0.00 0.00 + x = 3.716517187 + 4.25 x = 3.716517187 + 4.25 Combine like terms: 3.716517187 + 4.25 = 7.966517187 x = 7.966517187 Simplifying x = 7.966517187

Subproblem 2

x + -4.25 = -3.716517187 Simplifying x + -4.25 = -3.716517187 Reorder the terms: -4.25 + x = -3.716517187 Solving -4.25 + x = -3.716517187 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.25' to each side of the equation. -4.25 + 4.25 + x = -3.716517187 + 4.25 Combine like terms: -4.25 + 4.25 = 0.00 0.00 + x = -3.716517187 + 4.25 x = -3.716517187 + 4.25 Combine like terms: -3.716517187 + 4.25 = 0.533482813 x = 0.533482813 Simplifying x = 0.533482813

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.966517187, 0.533482813}

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