2w^2+29w-286=0

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Solution for 2w^2+29w-286=0 equation:


Simplifying
2w2 + 29w + -286 = 0

Reorder the terms:
-286 + 29w + 2w2 = 0

Solving
-286 + 29w + 2w2 = 0

Solving for variable 'w'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
-143 + 14.5w + w2 = 0

Move the constant term to the right:

Add '143' to each side of the equation.
-143 + 14.5w + 143 + w2 = 0 + 143

Reorder the terms:
-143 + 143 + 14.5w + w2 = 0 + 143

Combine like terms: -143 + 143 = 0
0 + 14.5w + w2 = 0 + 143
14.5w + w2 = 0 + 143

Combine like terms: 0 + 143 = 143
14.5w + w2 = 143

The w term is 14.5w.  Take half its coefficient (7.25).
Square it (52.5625) and add it to both sides.

Add '52.5625' to each side of the equation.
14.5w + 52.5625 + w2 = 143 + 52.5625

Reorder the terms:
52.5625 + 14.5w + w2 = 143 + 52.5625

Combine like terms: 143 + 52.5625 = 195.5625
52.5625 + 14.5w + w2 = 195.5625

Factor a perfect square on the left side:
(w + 7.25)(w + 7.25) = 195.5625

Calculate the square root of the right side: 13.984366271

Break this problem into two subproblems by setting 
(w + 7.25) equal to 13.984366271 and -13.984366271.

Subproblem 1

w + 7.25 = 13.984366271 Simplifying w + 7.25 = 13.984366271 Reorder the terms: 7.25 + w = 13.984366271 Solving 7.25 + w = 13.984366271 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-7.25' to each side of the equation. 7.25 + -7.25 + w = 13.984366271 + -7.25 Combine like terms: 7.25 + -7.25 = 0.00 0.00 + w = 13.984366271 + -7.25 w = 13.984366271 + -7.25 Combine like terms: 13.984366271 + -7.25 = 6.734366271 w = 6.734366271 Simplifying w = 6.734366271

Subproblem 2

w + 7.25 = -13.984366271 Simplifying w + 7.25 = -13.984366271 Reorder the terms: 7.25 + w = -13.984366271 Solving 7.25 + w = -13.984366271 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-7.25' to each side of the equation. 7.25 + -7.25 + w = -13.984366271 + -7.25 Combine like terms: 7.25 + -7.25 = 0.00 0.00 + w = -13.984366271 + -7.25 w = -13.984366271 + -7.25 Combine like terms: -13.984366271 + -7.25 = -21.234366271 w = -21.234366271 Simplifying w = -21.234366271

Solution

The solution to the problem is based on the solutions from the subproblems. w = {6.734366271, -21.234366271}

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