w^2+6w-186=0

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Solution for w^2+6w-186=0 equation:


Simplifying
w2 + 6w + -186 = 0

Reorder the terms:
-186 + 6w + w2 = 0

Solving
-186 + 6w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '186' to each side of the equation.
-186 + 6w + 186 + w2 = 0 + 186

Reorder the terms:
-186 + 186 + 6w + w2 = 0 + 186

Combine like terms: -186 + 186 = 0
0 + 6w + w2 = 0 + 186
6w + w2 = 0 + 186

Combine like terms: 0 + 186 = 186
6w + w2 = 186

The w term is 6w.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6w + 9 + w2 = 186 + 9

Reorder the terms:
9 + 6w + w2 = 186 + 9

Combine like terms: 186 + 9 = 195
9 + 6w + w2 = 195

Factor a perfect square on the left side:
(w + 3)(w + 3) = 195

Calculate the square root of the right side: 13.964240044

Break this problem into two subproblems by setting 
(w + 3) equal to 13.964240044 and -13.964240044.

Subproblem 1

w + 3 = 13.964240044 Simplifying w + 3 = 13.964240044 Reorder the terms: 3 + w = 13.964240044 Solving 3 + w = 13.964240044 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + w = 13.964240044 + -3 Combine like terms: 3 + -3 = 0 0 + w = 13.964240044 + -3 w = 13.964240044 + -3 Combine like terms: 13.964240044 + -3 = 10.964240044 w = 10.964240044 Simplifying w = 10.964240044

Subproblem 2

w + 3 = -13.964240044 Simplifying w + 3 = -13.964240044 Reorder the terms: 3 + w = -13.964240044 Solving 3 + w = -13.964240044 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + w = -13.964240044 + -3 Combine like terms: 3 + -3 = 0 0 + w = -13.964240044 + -3 w = -13.964240044 + -3 Combine like terms: -13.964240044 + -3 = -16.964240044 w = -16.964240044 Simplifying w = -16.964240044

Solution

The solution to the problem is based on the solutions from the subproblems. w = {10.964240044, -16.964240044}

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