-w^2+23w+14=0

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Solution for -w^2+23w+14=0 equation:


Simplifying
-1w2 + 23w + 14 = 0

Reorder the terms:
14 + 23w + -1w2 = 0

Solving
14 + 23w + -1w2 = 0

Solving for variable 'w'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-14 + -23w + w2 = 0

Move the constant term to the right:

Add '14' to each side of the equation.
-14 + -23w + 14 + w2 = 0 + 14

Reorder the terms:
-14 + 14 + -23w + w2 = 0 + 14

Combine like terms: -14 + 14 = 0
0 + -23w + w2 = 0 + 14
-23w + w2 = 0 + 14

Combine like terms: 0 + 14 = 14
-23w + w2 = 14

The w term is -23w.  Take half its coefficient (-11.5).
Square it (132.25) and add it to both sides.

Add '132.25' to each side of the equation.
-23w + 132.25 + w2 = 14 + 132.25

Reorder the terms:
132.25 + -23w + w2 = 14 + 132.25

Combine like terms: 14 + 132.25 = 146.25
132.25 + -23w + w2 = 146.25

Factor a perfect square on the left side:
(w + -11.5)(w + -11.5) = 146.25

Calculate the square root of the right side: 12.093386622

Break this problem into two subproblems by setting 
(w + -11.5) equal to 12.093386622 and -12.093386622.

Subproblem 1

w + -11.5 = 12.093386622 Simplifying w + -11.5 = 12.093386622 Reorder the terms: -11.5 + w = 12.093386622 Solving -11.5 + w = 12.093386622 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '11.5' to each side of the equation. -11.5 + 11.5 + w = 12.093386622 + 11.5 Combine like terms: -11.5 + 11.5 = 0.0 0.0 + w = 12.093386622 + 11.5 w = 12.093386622 + 11.5 Combine like terms: 12.093386622 + 11.5 = 23.593386622 w = 23.593386622 Simplifying w = 23.593386622

Subproblem 2

w + -11.5 = -12.093386622 Simplifying w + -11.5 = -12.093386622 Reorder the terms: -11.5 + w = -12.093386622 Solving -11.5 + w = -12.093386622 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '11.5' to each side of the equation. -11.5 + 11.5 + w = -12.093386622 + 11.5 Combine like terms: -11.5 + 11.5 = 0.0 0.0 + w = -12.093386622 + 11.5 w = -12.093386622 + 11.5 Combine like terms: -12.093386622 + 11.5 = -0.593386622 w = -0.593386622 Simplifying w = -0.593386622

Solution

The solution to the problem is based on the solutions from the subproblems. w = {23.593386622, -0.593386622}

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