w^2-14w+46=0

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Solution for w^2-14w+46=0 equation:


Simplifying
w2 + -14w + 46 = 0

Reorder the terms:
46 + -14w + w2 = 0

Solving
46 + -14w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '-46' to each side of the equation.
46 + -14w + -46 + w2 = 0 + -46

Reorder the terms:
46 + -46 + -14w + w2 = 0 + -46

Combine like terms: 46 + -46 = 0
0 + -14w + w2 = 0 + -46
-14w + w2 = 0 + -46

Combine like terms: 0 + -46 = -46
-14w + w2 = -46

The w term is -14w.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14w + 49 + w2 = -46 + 49

Reorder the terms:
49 + -14w + w2 = -46 + 49

Combine like terms: -46 + 49 = 3
49 + -14w + w2 = 3

Factor a perfect square on the left side:
(w + -7)(w + -7) = 3

Calculate the square root of the right side: 1.732050808

Break this problem into two subproblems by setting 
(w + -7) equal to 1.732050808 and -1.732050808.

Subproblem 1

w + -7 = 1.732050808 Simplifying w + -7 = 1.732050808 Reorder the terms: -7 + w = 1.732050808 Solving -7 + w = 1.732050808 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + w = 1.732050808 + 7 Combine like terms: -7 + 7 = 0 0 + w = 1.732050808 + 7 w = 1.732050808 + 7 Combine like terms: 1.732050808 + 7 = 8.732050808 w = 8.732050808 Simplifying w = 8.732050808

Subproblem 2

w + -7 = -1.732050808 Simplifying w + -7 = -1.732050808 Reorder the terms: -7 + w = -1.732050808 Solving -7 + w = -1.732050808 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + w = -1.732050808 + 7 Combine like terms: -7 + 7 = 0 0 + w = -1.732050808 + 7 w = -1.732050808 + 7 Combine like terms: -1.732050808 + 7 = 5.267949192 w = 5.267949192 Simplifying w = 5.267949192

Solution

The solution to the problem is based on the solutions from the subproblems. w = {8.732050808, 5.267949192}

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