x^2-19x+19=

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Solution for x^2-19x+19= equation:


Simplifying
x2 + -19x + 19 = 0

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

Solving
19 + -19x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-19' to each side of the equation.
19 + -19x + -19 + x2 = 0 + -19

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

Combine like terms: 19 + -19 = 0
0 + -19x + x2 = 0 + -19
-19x + x2 = 0 + -19

Combine like terms: 0 + -19 = -19
-19x + x2 = -19

The x term is -19x.  Take half its coefficient (-9.5).
Square it (90.25) and add it to both sides.

Add '90.25' to each side of the equation.
-19x + 90.25 + x2 = -19 + 90.25

Reorder the terms:
90.25 + -19x + x2 = -19 + 90.25

Combine like terms: -19 + 90.25 = 71.25
90.25 + -19x + x2 = 71.25

Factor a perfect square on the left side:
(x + -9.5)(x + -9.5) = 71.25

Calculate the square root of the right side: 8.440971508

Break this problem into two subproblems by setting 
(x + -9.5) equal to 8.440971508 and -8.440971508.

Subproblem 1

x + -9.5 = 8.440971508 Simplifying x + -9.5 = 8.440971508 Reorder the terms: -9.5 + x = 8.440971508 Solving -9.5 + x = 8.440971508 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.5' to each side of the equation. -9.5 + 9.5 + x = 8.440971508 + 9.5 Combine like terms: -9.5 + 9.5 = 0.0 0.0 + x = 8.440971508 + 9.5 x = 8.440971508 + 9.5 Combine like terms: 8.440971508 + 9.5 = 17.940971508 x = 17.940971508 Simplifying x = 17.940971508

Subproblem 2

x + -9.5 = -8.440971508 Simplifying x + -9.5 = -8.440971508 Reorder the terms: -9.5 + x = -8.440971508 Solving -9.5 + x = -8.440971508 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.5' to each side of the equation. -9.5 + 9.5 + x = -8.440971508 + 9.5 Combine like terms: -9.5 + 9.5 = 0.0 0.0 + x = -8.440971508 + 9.5 x = -8.440971508 + 9.5 Combine like terms: -8.440971508 + 9.5 = 1.059028492 x = 1.059028492 Simplifying x = 1.059028492

Solution

The solution to the problem is based on the solutions from the subproblems. x = {17.940971508, 1.059028492}

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