x^2+22x=-104

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Solution for x^2+22x=-104 equation:


Simplifying
x2 + 22x = -104

Reorder the terms:
22x + x2 = -104

Solving
22x + x2 = -104

Solving for variable 'x'.

Reorder the terms:
104 + 22x + x2 = -104 + 104

Combine like terms: -104 + 104 = 0
104 + 22x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-104' to each side of the equation.
104 + 22x + -104 + x2 = 0 + -104

Reorder the terms:
104 + -104 + 22x + x2 = 0 + -104

Combine like terms: 104 + -104 = 0
0 + 22x + x2 = 0 + -104
22x + x2 = 0 + -104

Combine like terms: 0 + -104 = -104
22x + x2 = -104

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 = -104 + 121

Reorder the terms:
121 + 22x + x2 = -104 + 121

Combine like terms: -104 + 121 = 17
121 + 22x + x2 = 17

Factor a perfect square on the left side:
(x + 11)(x + 11) = 17

Calculate the square root of the right side: 4.123105626

Break this problem into two subproblems by setting 
(x + 11) equal to 4.123105626 and -4.123105626.

Subproblem 1

x + 11 = 4.123105626 Simplifying x + 11 = 4.123105626 Reorder the terms: 11 + x = 4.123105626 Solving 11 + x = 4.123105626 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 = 4.123105626 + -11 Combine like terms: 11 + -11 = 0 0 + x = 4.123105626 + -11 x = 4.123105626 + -11 Combine like terms: 4.123105626 + -11 = -6.876894374 x = -6.876894374 Simplifying x = -6.876894374

Subproblem 2

x + 11 = -4.123105626 Simplifying x + 11 = -4.123105626 Reorder the terms: 11 + x = -4.123105626 Solving 11 + x = -4.123105626 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 = -4.123105626 + -11 Combine like terms: 11 + -11 = 0 0 + x = -4.123105626 + -11 x = -4.123105626 + -11 Combine like terms: -4.123105626 + -11 = -15.123105626 x = -15.123105626 Simplifying x = -15.123105626

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-6.876894374, -15.123105626}

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