w^2-2w-112=0

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Solution for w^2-2w-112=0 equation:


Simplifying
w2 + -2w + -112 = 0

Reorder the terms:
-112 + -2w + w2 = 0

Solving
-112 + -2w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '112' to each side of the equation.
-112 + -2w + 112 + w2 = 0 + 112

Reorder the terms:
-112 + 112 + -2w + w2 = 0 + 112

Combine like terms: -112 + 112 = 0
0 + -2w + w2 = 0 + 112
-2w + w2 = 0 + 112

Combine like terms: 0 + 112 = 112
-2w + w2 = 112

The w term is -2w.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2w + 1 + w2 = 112 + 1

Reorder the terms:
1 + -2w + w2 = 112 + 1

Combine like terms: 112 + 1 = 113
1 + -2w + w2 = 113

Factor a perfect square on the left side:
(w + -1)(w + -1) = 113

Calculate the square root of the right side: 10.630145813

Break this problem into two subproblems by setting 
(w + -1) equal to 10.630145813 and -10.630145813.

Subproblem 1

w + -1 = 10.630145813 Simplifying w + -1 = 10.630145813 Reorder the terms: -1 + w = 10.630145813 Solving -1 + w = 10.630145813 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + w = 10.630145813 + 1 Combine like terms: -1 + 1 = 0 0 + w = 10.630145813 + 1 w = 10.630145813 + 1 Combine like terms: 10.630145813 + 1 = 11.630145813 w = 11.630145813 Simplifying w = 11.630145813

Subproblem 2

w + -1 = -10.630145813 Simplifying w + -1 = -10.630145813 Reorder the terms: -1 + w = -10.630145813 Solving -1 + w = -10.630145813 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + w = -10.630145813 + 1 Combine like terms: -1 + 1 = 0 0 + w = -10.630145813 + 1 w = -10.630145813 + 1 Combine like terms: -10.630145813 + 1 = -9.630145813 w = -9.630145813 Simplifying w = -9.630145813

Solution

The solution to the problem is based on the solutions from the subproblems. w = {11.630145813, -9.630145813}

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