x^2-22x-73=0

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Solution for x^2-22x-73=0 equation:


Simplifying
x2 + -22x + -73 = 0

Reorder the terms:
-73 + -22x + x2 = 0

Solving
-73 + -22x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '73' to each side of the equation.
-73 + -22x + 73 + x2 = 0 + 73

Reorder the terms:
-73 + 73 + -22x + x2 = 0 + 73

Combine like terms: -73 + 73 = 0
0 + -22x + x2 = 0 + 73
-22x + x2 = 0 + 73

Combine like terms: 0 + 73 = 73
-22x + x2 = 73

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 = 73 + 121

Reorder the terms:
121 + -22x + x2 = 73 + 121

Combine like terms: 73 + 121 = 194
121 + -22x + x2 = 194

Factor a perfect square on the left side:
(x + -11)(x + -11) = 194

Calculate the square root of the right side: 13.928388277

Break this problem into two subproblems by setting 
(x + -11) equal to 13.928388277 and -13.928388277.

Subproblem 1

x + -11 = 13.928388277 Simplifying x + -11 = 13.928388277 Reorder the terms: -11 + x = 13.928388277 Solving -11 + x = 13.928388277 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 = 13.928388277 + 11 Combine like terms: -11 + 11 = 0 0 + x = 13.928388277 + 11 x = 13.928388277 + 11 Combine like terms: 13.928388277 + 11 = 24.928388277 x = 24.928388277 Simplifying x = 24.928388277

Subproblem 2

x + -11 = -13.928388277 Simplifying x + -11 = -13.928388277 Reorder the terms: -11 + x = -13.928388277 Solving -11 + x = -13.928388277 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 = -13.928388277 + 11 Combine like terms: -11 + 11 = 0 0 + x = -13.928388277 + 11 x = -13.928388277 + 11 Combine like terms: -13.928388277 + 11 = -2.928388277 x = -2.928388277 Simplifying x = -2.928388277

Solution

The solution to the problem is based on the solutions from the subproblems. x = {24.928388277, -2.928388277}

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