x^2+18x+44=2

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Solution for x^2+18x+44=2 equation:


Simplifying
x2 + 18x + 44 = 2

Reorder the terms:
44 + 18x + x2 = 2

Solving
44 + 18x + x2 = 2

Solving for variable 'x'.

Reorder the terms:
44 + -2 + 18x + x2 = 2 + -2

Combine like terms: 44 + -2 = 42
42 + 18x + x2 = 2 + -2

Combine like terms: 2 + -2 = 0
42 + 18x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-42' to each side of the equation.
42 + 18x + -42 + x2 = 0 + -42

Reorder the terms:
42 + -42 + 18x + x2 = 0 + -42

Combine like terms: 42 + -42 = 0
0 + 18x + x2 = 0 + -42
18x + x2 = 0 + -42

Combine like terms: 0 + -42 = -42
18x + x2 = -42

The x term is 18x.  Take half its coefficient (9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
18x + 81 + x2 = -42 + 81

Reorder the terms:
81 + 18x + x2 = -42 + 81

Combine like terms: -42 + 81 = 39
81 + 18x + x2 = 39

Factor a perfect square on the left side:
(x + 9)(x + 9) = 39

Calculate the square root of the right side: 6.244997998

Break this problem into two subproblems by setting 
(x + 9) equal to 6.244997998 and -6.244997998.

Subproblem 1

x + 9 = 6.244997998 Simplifying x + 9 = 6.244997998 Reorder the terms: 9 + x = 6.244997998 Solving 9 + x = 6.244997998 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 6.244997998 + -9 Combine like terms: 9 + -9 = 0 0 + x = 6.244997998 + -9 x = 6.244997998 + -9 Combine like terms: 6.244997998 + -9 = -2.755002002 x = -2.755002002 Simplifying x = -2.755002002

Subproblem 2

x + 9 = -6.244997998 Simplifying x + 9 = -6.244997998 Reorder the terms: 9 + x = -6.244997998 Solving 9 + x = -6.244997998 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = -6.244997998 + -9 Combine like terms: 9 + -9 = 0 0 + x = -6.244997998 + -9 x = -6.244997998 + -9 Combine like terms: -6.244997998 + -9 = -15.244997998 x = -15.244997998 Simplifying x = -15.244997998

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.755002002, -15.244997998}

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