x^2-22x+121=54

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Solution for x^2-22x+121=54 equation:


Simplifying
x2 + -22x + 121 = 54

Reorder the terms:
121 + -22x + x2 = 54

Solving
121 + -22x + x2 = 54

Solving for variable 'x'.

Reorder the terms:
121 + -54 + -22x + x2 = 54 + -54

Combine like terms: 121 + -54 = 67
67 + -22x + x2 = 54 + -54

Combine like terms: 54 + -54 = 0
67 + -22x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-67' to each side of the equation.
67 + -22x + -67 + x2 = 0 + -67

Reorder the terms:
67 + -67 + -22x + x2 = 0 + -67

Combine like terms: 67 + -67 = 0
0 + -22x + x2 = 0 + -67
-22x + x2 = 0 + -67

Combine like terms: 0 + -67 = -67
-22x + x2 = -67

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 = -67 + 121

Reorder the terms:
121 + -22x + x2 = -67 + 121

Combine like terms: -67 + 121 = 54
121 + -22x + x2 = 54

Factor a perfect square on the left side:
(x + -11)(x + -11) = 54

Calculate the square root of the right side: 7.348469228

Break this problem into two subproblems by setting 
(x + -11) equal to 7.348469228 and -7.348469228.

Subproblem 1

x + -11 = 7.348469228 Simplifying x + -11 = 7.348469228 Reorder the terms: -11 + x = 7.348469228 Solving -11 + x = 7.348469228 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 = 7.348469228 + 11 Combine like terms: -11 + 11 = 0 0 + x = 7.348469228 + 11 x = 7.348469228 + 11 Combine like terms: 7.348469228 + 11 = 18.348469228 x = 18.348469228 Simplifying x = 18.348469228

Subproblem 2

x + -11 = -7.348469228 Simplifying x + -11 = -7.348469228 Reorder the terms: -11 + x = -7.348469228 Solving -11 + x = -7.348469228 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 = -7.348469228 + 11 Combine like terms: -11 + 11 = 0 0 + x = -7.348469228 + 11 x = -7.348469228 + 11 Combine like terms: -7.348469228 + 11 = 3.651530772 x = 3.651530772 Simplifying x = 3.651530772

Solution

The solution to the problem is based on the solutions from the subproblems. x = {18.348469228, 3.651530772}

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