w^2+14w=4

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Solution for w^2+14w=4 equation:


Simplifying
w2 + 14w = 4

Reorder the terms:
14w + w2 = 4

Solving
14w + w2 = 4

Solving for variable 'w'.

Reorder the terms:
-4 + 14w + w2 = 4 + -4

Combine like terms: 4 + -4 = 0
-4 + 14w + w2 = 0

Begin completing the square.

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + 14w + 4 + w2 = 0 + 4

Reorder the terms:
-4 + 4 + 14w + w2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 14w + w2 = 0 + 4
14w + w2 = 0 + 4

Combine like terms: 0 + 4 = 4
14w + w2 = 4

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 = 4 + 49

Reorder the terms:
49 + 14w + w2 = 4 + 49

Combine like terms: 4 + 49 = 53
49 + 14w + w2 = 53

Factor a perfect square on the left side:
(w + 7)(w + 7) = 53

Calculate the square root of the right side: 7.280109889

Break this problem into two subproblems by setting 
(w + 7) equal to 7.280109889 and -7.280109889.

Subproblem 1

w + 7 = 7.280109889 Simplifying w + 7 = 7.280109889 Reorder the terms: 7 + w = 7.280109889 Solving 7 + w = 7.280109889 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 = 7.280109889 + -7 Combine like terms: 7 + -7 = 0 0 + w = 7.280109889 + -7 w = 7.280109889 + -7 Combine like terms: 7.280109889 + -7 = 0.280109889 w = 0.280109889 Simplifying w = 0.280109889

Subproblem 2

w + 7 = -7.280109889 Simplifying w + 7 = -7.280109889 Reorder the terms: 7 + w = -7.280109889 Solving 7 + w = -7.280109889 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 = -7.280109889 + -7 Combine like terms: 7 + -7 = 0 0 + w = -7.280109889 + -7 w = -7.280109889 + -7 Combine like terms: -7.280109889 + -7 = -14.280109889 w = -14.280109889 Simplifying w = -14.280109889

Solution

The solution to the problem is based on the solutions from the subproblems. w = {0.280109889, -14.280109889}

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