x^2-20x+001=0

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Solution for x^2-20x+001=0 equation:


Simplifying
x2 + -20x + 1 = 0

Reorder the terms:
1 + -20x + x2 = 0

Solving
1 + -20x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -20x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -20x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -20x + x2 = 0 + -1
-20x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-20x + x2 = -1

The x term is -20x.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20x + 100 + x2 = -1 + 100

Reorder the terms:
100 + -20x + x2 = -1 + 100

Combine like terms: -1 + 100 = 99
100 + -20x + x2 = 99

Factor a perfect square on the left side:
(x + -10)(x + -10) = 99

Calculate the square root of the right side: 9.949874371

Break this problem into two subproblems by setting 
(x + -10) equal to 9.949874371 and -9.949874371.

Subproblem 1

x + -10 = 9.949874371 Simplifying x + -10 = 9.949874371 Reorder the terms: -10 + x = 9.949874371 Solving -10 + x = 9.949874371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 9.949874371 + 10 Combine like terms: -10 + 10 = 0 0 + x = 9.949874371 + 10 x = 9.949874371 + 10 Combine like terms: 9.949874371 + 10 = 19.949874371 x = 19.949874371 Simplifying x = 19.949874371

Subproblem 2

x + -10 = -9.949874371 Simplifying x + -10 = -9.949874371 Reorder the terms: -10 + x = -9.949874371 Solving -10 + x = -9.949874371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = -9.949874371 + 10 Combine like terms: -10 + 10 = 0 0 + x = -9.949874371 + 10 x = -9.949874371 + 10 Combine like terms: -9.949874371 + 10 = 0.050125629 x = 0.050125629 Simplifying x = 0.050125629

Solution

The solution to the problem is based on the solutions from the subproblems. x = {19.949874371, 0.050125629}

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