x^2-22x+121=224

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Solution for x^2-22x+121=224 equation:


Simplifying
x2 + -22x + 121 = 224

Reorder the terms:
121 + -22x + x2 = 224

Solving
121 + -22x + x2 = 224

Solving for variable 'x'.

Reorder the terms:
121 + -224 + -22x + x2 = 224 + -224

Combine like terms: 121 + -224 = -103
-103 + -22x + x2 = 224 + -224

Combine like terms: 224 + -224 = 0
-103 + -22x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '103' to each side of the equation.
-103 + -22x + 103 + x2 = 0 + 103

Reorder the terms:
-103 + 103 + -22x + x2 = 0 + 103

Combine like terms: -103 + 103 = 0
0 + -22x + x2 = 0 + 103
-22x + x2 = 0 + 103

Combine like terms: 0 + 103 = 103
-22x + x2 = 103

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 = 103 + 121

Reorder the terms:
121 + -22x + x2 = 103 + 121

Combine like terms: 103 + 121 = 224
121 + -22x + x2 = 224

Factor a perfect square on the left side:
(x + -11)(x + -11) = 224

Calculate the square root of the right side: 14.966629547

Break this problem into two subproblems by setting 
(x + -11) equal to 14.966629547 and -14.966629547.

Subproblem 1

x + -11 = 14.966629547 Simplifying x + -11 = 14.966629547 Reorder the terms: -11 + x = 14.966629547 Solving -11 + x = 14.966629547 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 = 14.966629547 + 11 Combine like terms: -11 + 11 = 0 0 + x = 14.966629547 + 11 x = 14.966629547 + 11 Combine like terms: 14.966629547 + 11 = 25.966629547 x = 25.966629547 Simplifying x = 25.966629547

Subproblem 2

x + -11 = -14.966629547 Simplifying x + -11 = -14.966629547 Reorder the terms: -11 + x = -14.966629547 Solving -11 + x = -14.966629547 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 = -14.966629547 + 11 Combine like terms: -11 + 11 = 0 0 + x = -14.966629547 + 11 x = -14.966629547 + 11 Combine like terms: -14.966629547 + 11 = -3.966629547 x = -3.966629547 Simplifying x = -3.966629547

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.966629547, -3.966629547}

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