x^2-22x-271=0

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Solution for x^2-22x-271=0 equation:


Simplifying
x2 + -22x + -271 = 0

Reorder the terms:
-271 + -22x + x2 = 0

Solving
-271 + -22x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '271' to each side of the equation.
-271 + -22x + 271 + x2 = 0 + 271

Reorder the terms:
-271 + 271 + -22x + x2 = 0 + 271

Combine like terms: -271 + 271 = 0
0 + -22x + x2 = 0 + 271
-22x + x2 = 0 + 271

Combine like terms: 0 + 271 = 271
-22x + x2 = 271

The x term is -22x.  Take half its coefficient (-11).
Square it (121) and add it to both sides.

Add '121' to each side of the equation.
-22x + 121 + x2 = 271 + 121

Reorder the terms:
121 + -22x + x2 = 271 + 121

Combine like terms: 271 + 121 = 392
121 + -22x + x2 = 392

Factor a perfect square on the left side:
(x + -11)(x + -11) = 392

Calculate the square root of the right side: 19.798989873

Break this problem into two subproblems by setting 
(x + -11) equal to 19.798989873 and -19.798989873.

Subproblem 1

x + -11 = 19.798989873 Simplifying x + -11 = 19.798989873 Reorder the terms: -11 + x = 19.798989873 Solving -11 + x = 19.798989873 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + x = 19.798989873 + 11 Combine like terms: -11 + 11 = 0 0 + x = 19.798989873 + 11 x = 19.798989873 + 11 Combine like terms: 19.798989873 + 11 = 30.798989873 x = 30.798989873 Simplifying x = 30.798989873

Subproblem 2

x + -11 = -19.798989873 Simplifying x + -11 = -19.798989873 Reorder the terms: -11 + x = -19.798989873 Solving -11 + x = -19.798989873 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + x = -19.798989873 + 11 Combine like terms: -11 + 11 = 0 0 + x = -19.798989873 + 11 x = -19.798989873 + 11 Combine like terms: -19.798989873 + 11 = -8.798989873 x = -8.798989873 Simplifying x = -8.798989873

Solution

The solution to the problem is based on the solutions from the subproblems. x = {30.798989873, -8.798989873}

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