w^2+18w+22=

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Solution for w^2+18w+22= equation:


Simplifying
w2 + 18w + 22 = 0

Reorder the terms:
22 + 18w + w2 = 0

Solving
22 + 18w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '-22' to each side of the equation.
22 + 18w + -22 + w2 = 0 + -22

Reorder the terms:
22 + -22 + 18w + w2 = 0 + -22

Combine like terms: 22 + -22 = 0
0 + 18w + w2 = 0 + -22
18w + w2 = 0 + -22

Combine like terms: 0 + -22 = -22
18w + w2 = -22

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

Add '81' to each side of the equation.
18w + 81 + w2 = -22 + 81

Reorder the terms:
81 + 18w + w2 = -22 + 81

Combine like terms: -22 + 81 = 59
81 + 18w + w2 = 59

Factor a perfect square on the left side:
(w + 9)(w + 9) = 59

Calculate the square root of the right side: 7.681145748

Break this problem into two subproblems by setting 
(w + 9) equal to 7.681145748 and -7.681145748.

Subproblem 1

w + 9 = 7.681145748 Simplifying w + 9 = 7.681145748 Reorder the terms: 9 + w = 7.681145748 Solving 9 + w = 7.681145748 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + w = 7.681145748 + -9 Combine like terms: 9 + -9 = 0 0 + w = 7.681145748 + -9 w = 7.681145748 + -9 Combine like terms: 7.681145748 + -9 = -1.318854252 w = -1.318854252 Simplifying w = -1.318854252

Subproblem 2

w + 9 = -7.681145748 Simplifying w + 9 = -7.681145748 Reorder the terms: 9 + w = -7.681145748 Solving 9 + w = -7.681145748 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + w = -7.681145748 + -9 Combine like terms: 9 + -9 = 0 0 + w = -7.681145748 + -9 w = -7.681145748 + -9 Combine like terms: -7.681145748 + -9 = -16.681145748 w = -16.681145748 Simplifying w = -16.681145748

Solution

The solution to the problem is based on the solutions from the subproblems. w = {-1.318854252, -16.681145748}

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