x^2+22x+25=0

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Solution for x^2+22x+25=0 equation:


Simplifying
x2 + 22x + 25 = 0

Reorder the terms:
25 + 22x + x2 = 0

Solving
25 + 22x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 22x + -25 + x2 = 0 + -25

Reorder the terms:
25 + -25 + 22x + x2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 22x + x2 = 0 + -25
22x + x2 = 0 + -25

Combine like terms: 0 + -25 = -25
22x + x2 = -25

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 = -25 + 121

Reorder the terms:
121 + 22x + x2 = -25 + 121

Combine like terms: -25 + 121 = 96
121 + 22x + x2 = 96

Factor a perfect square on the left side:
(x + 11)(x + 11) = 96

Calculate the square root of the right side: 9.797958971

Break this problem into two subproblems by setting 
(x + 11) equal to 9.797958971 and -9.797958971.

Subproblem 1

x + 11 = 9.797958971 Simplifying x + 11 = 9.797958971 Reorder the terms: 11 + x = 9.797958971 Solving 11 + x = 9.797958971 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 = 9.797958971 + -11 Combine like terms: 11 + -11 = 0 0 + x = 9.797958971 + -11 x = 9.797958971 + -11 Combine like terms: 9.797958971 + -11 = -1.202041029 x = -1.202041029 Simplifying x = -1.202041029

Subproblem 2

x + 11 = -9.797958971 Simplifying x + 11 = -9.797958971 Reorder the terms: 11 + x = -9.797958971 Solving 11 + x = -9.797958971 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 = -9.797958971 + -11 Combine like terms: 11 + -11 = 0 0 + x = -9.797958971 + -11 x = -9.797958971 + -11 Combine like terms: -9.797958971 + -11 = -20.797958971 x = -20.797958971 Simplifying x = -20.797958971

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-1.202041029, -20.797958971}

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