x^2+22x-6=0

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Solution for x^2+22x-6=0 equation:


Simplifying
x2 + 22x + -6 = 0

Reorder the terms:
-6 + 22x + x2 = 0

Solving
-6 + 22x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + 22x + 6 + x2 = 0 + 6

Reorder the terms:
-6 + 6 + 22x + x2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 22x + x2 = 0 + 6
22x + x2 = 0 + 6

Combine like terms: 0 + 6 = 6
22x + x2 = 6

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 = 6 + 121

Reorder the terms:
121 + 22x + x2 = 6 + 121

Combine like terms: 6 + 121 = 127
121 + 22x + x2 = 127

Factor a perfect square on the left side:
(x + 11)(x + 11) = 127

Calculate the square root of the right side: 11.26942767

Break this problem into two subproblems by setting 
(x + 11) equal to 11.26942767 and -11.26942767.

Subproblem 1

x + 11 = 11.26942767 Simplifying x + 11 = 11.26942767 Reorder the terms: 11 + x = 11.26942767 Solving 11 + x = 11.26942767 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 = 11.26942767 + -11 Combine like terms: 11 + -11 = 0 0 + x = 11.26942767 + -11 x = 11.26942767 + -11 Combine like terms: 11.26942767 + -11 = 0.26942767 x = 0.26942767 Simplifying x = 0.26942767

Subproblem 2

x + 11 = -11.26942767 Simplifying x + 11 = -11.26942767 Reorder the terms: 11 + x = -11.26942767 Solving 11 + x = -11.26942767 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 = -11.26942767 + -11 Combine like terms: 11 + -11 = 0 0 + x = -11.26942767 + -11 x = -11.26942767 + -11 Combine like terms: -11.26942767 + -11 = -22.26942767 x = -22.26942767 Simplifying x = -22.26942767

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.26942767, -22.26942767}

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