2x+26+81=x^2

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Solution for 2x+26+81=x^2 equation:


Simplifying
2x + 26 + 81 = x2

Reorder the terms:
26 + 81 + 2x = x2

Combine like terms: 26 + 81 = 107
107 + 2x = x2

Solving
107 + 2x = x2

Solving for variable 'x'.

Combine like terms: x2 + -1x2 = 0
107 + 2x + -1x2 = 0

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

Divide each side by '-1'.
-107 + -2x + x2 = 0

Move the constant term to the right:

Add '107' to each side of the equation.
-107 + -2x + 107 + x2 = 0 + 107

Reorder the terms:
-107 + 107 + -2x + x2 = 0 + 107

Combine like terms: -107 + 107 = 0
0 + -2x + x2 = 0 + 107
-2x + x2 = 0 + 107

Combine like terms: 0 + 107 = 107
-2x + x2 = 107

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 107 + 1

Reorder the terms:
1 + -2x + x2 = 107 + 1

Combine like terms: 107 + 1 = 108
1 + -2x + x2 = 108

Factor a perfect square on the left side:
(x + -1)(x + -1) = 108

Calculate the square root of the right side: 10.392304845

Break this problem into two subproblems by setting 
(x + -1) equal to 10.392304845 and -10.392304845.

Subproblem 1

x + -1 = 10.392304845 Simplifying x + -1 = 10.392304845 Reorder the terms: -1 + x = 10.392304845 Solving -1 + x = 10.392304845 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 10.392304845 + 1 Combine like terms: -1 + 1 = 0 0 + x = 10.392304845 + 1 x = 10.392304845 + 1 Combine like terms: 10.392304845 + 1 = 11.392304845 x = 11.392304845 Simplifying x = 11.392304845

Subproblem 2

x + -1 = -10.392304845 Simplifying x + -1 = -10.392304845 Reorder the terms: -1 + x = -10.392304845 Solving -1 + x = -10.392304845 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -10.392304845 + 1 Combine like terms: -1 + 1 = 0 0 + x = -10.392304845 + 1 x = -10.392304845 + 1 Combine like terms: -10.392304845 + 1 = -9.392304845 x = -9.392304845 Simplifying x = -9.392304845

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.392304845, -9.392304845}

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