a^2-22a+113=0

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Solution for a^2-22a+113=0 equation:


Simplifying
a2 + -22a + 113 = 0

Reorder the terms:
113 + -22a + a2 = 0

Solving
113 + -22a + a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '-113' to each side of the equation.
113 + -22a + -113 + a2 = 0 + -113

Reorder the terms:
113 + -113 + -22a + a2 = 0 + -113

Combine like terms: 113 + -113 = 0
0 + -22a + a2 = 0 + -113
-22a + a2 = 0 + -113

Combine like terms: 0 + -113 = -113
-22a + a2 = -113

The a term is -22a.  Take half its coefficient (-11).
Square it (121) and add it to both sides.

Add '121' to each side of the equation.
-22a + 121 + a2 = -113 + 121

Reorder the terms:
121 + -22a + a2 = -113 + 121

Combine like terms: -113 + 121 = 8
121 + -22a + a2 = 8

Factor a perfect square on the left side:
(a + -11)(a + -11) = 8

Calculate the square root of the right side: 2.828427125

Break this problem into two subproblems by setting 
(a + -11) equal to 2.828427125 and -2.828427125.

Subproblem 1

a + -11 = 2.828427125 Simplifying a + -11 = 2.828427125 Reorder the terms: -11 + a = 2.828427125 Solving -11 + a = 2.828427125 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + a = 2.828427125 + 11 Combine like terms: -11 + 11 = 0 0 + a = 2.828427125 + 11 a = 2.828427125 + 11 Combine like terms: 2.828427125 + 11 = 13.828427125 a = 13.828427125 Simplifying a = 13.828427125

Subproblem 2

a + -11 = -2.828427125 Simplifying a + -11 = -2.828427125 Reorder the terms: -11 + a = -2.828427125 Solving -11 + a = -2.828427125 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + a = -2.828427125 + 11 Combine like terms: -11 + 11 = 0 0 + a = -2.828427125 + 11 a = -2.828427125 + 11 Combine like terms: -2.828427125 + 11 = 8.171572875 a = 8.171572875 Simplifying a = 8.171572875

Solution

The solution to the problem is based on the solutions from the subproblems. a = {13.828427125, 8.171572875}

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