x+162=x^2

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Solution for x+162=x^2 equation:


Simplifying
x + 162 = x2

Reorder the terms:
162 + x = x2

Solving
162 + x = x2

Solving for variable 'x'.

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

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-162 + -1x + x2 = 0

Move the constant term to the right:

Add '162' to each side of the equation.
-162 + -1x + 162 + x2 = 0 + 162

Reorder the terms:
-162 + 162 + -1x + x2 = 0 + 162

Combine like terms: -162 + 162 = 0
0 + -1x + x2 = 0 + 162
-1x + x2 = 0 + 162

Combine like terms: 0 + 162 = 162
-1x + x2 = 162

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 162 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 162 + 0.25

Combine like terms: 162 + 0.25 = 162.25
0.25 + -1x + x2 = 162.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 162.25

Calculate the square root of the right side: 12.737739203

Break this problem into two subproblems by setting 
(x + 0.5) equal to 12.737739203 and -12.737739203.

Subproblem 1

x + 0.5 = 12.737739203 Simplifying x + 0.5 = 12.737739203 Reorder the terms: 0.5 + x = 12.737739203 Solving 0.5 + x = 12.737739203 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 12.737739203 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 12.737739203 + -0.5 x = 12.737739203 + -0.5 Combine like terms: 12.737739203 + -0.5 = 12.237739203 x = 12.237739203 Simplifying x = 12.237739203

Subproblem 2

x + 0.5 = -12.737739203 Simplifying x + 0.5 = -12.737739203 Reorder the terms: 0.5 + x = -12.737739203 Solving 0.5 + x = -12.737739203 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -12.737739203 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -12.737739203 + -0.5 x = -12.737739203 + -0.5 Combine like terms: -12.737739203 + -0.5 = -13.237739203 x = -13.237739203 Simplifying x = -13.237739203

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.237739203, -13.237739203}

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