(w-6)2=2w^2-22w+57

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Solution for (w-6)2=2w^2-22w+57 equation:


Simplifying
(w + -6) * 2 = 2w2 + -22w + 57

Reorder the terms:
(-6 + w) * 2 = 2w2 + -22w + 57

Reorder the terms for easier multiplication:
2(-6 + w) = 2w2 + -22w + 57
(-6 * 2 + w * 2) = 2w2 + -22w + 57
(-12 + 2w) = 2w2 + -22w + 57

Reorder the terms:
-12 + 2w = 57 + -22w + 2w2

Solving
-12 + 2w = 57 + -22w + 2w2

Solving for variable 'w'.

Reorder the terms:
-12 + -57 + 2w + 22w + -2w2 = 57 + -22w + 2w2 + -57 + 22w + -2w2

Combine like terms: -12 + -57 = -69
-69 + 2w + 22w + -2w2 = 57 + -22w + 2w2 + -57 + 22w + -2w2

Combine like terms: 2w + 22w = 24w
-69 + 24w + -2w2 = 57 + -22w + 2w2 + -57 + 22w + -2w2

Reorder the terms:
-69 + 24w + -2w2 = 57 + -57 + -22w + 22w + 2w2 + -2w2

Combine like terms: 57 + -57 = 0
-69 + 24w + -2w2 = 0 + -22w + 22w + 2w2 + -2w2
-69 + 24w + -2w2 = -22w + 22w + 2w2 + -2w2

Combine like terms: -22w + 22w = 0
-69 + 24w + -2w2 = 0 + 2w2 + -2w2
-69 + 24w + -2w2 = 2w2 + -2w2

Combine like terms: 2w2 + -2w2 = 0
-69 + 24w + -2w2 = 0

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

Divide each side by '-2'.
34.5 + -12w + w2 = 0

Move the constant term to the right:

Add '-34.5' to each side of the equation.
34.5 + -12w + -34.5 + w2 = 0 + -34.5

Reorder the terms:
34.5 + -34.5 + -12w + w2 = 0 + -34.5

Combine like terms: 34.5 + -34.5 = 0.0
0.0 + -12w + w2 = 0 + -34.5
-12w + w2 = 0 + -34.5

Combine like terms: 0 + -34.5 = -34.5
-12w + w2 = -34.5

The w term is -12w.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12w + 36 + w2 = -34.5 + 36

Reorder the terms:
36 + -12w + w2 = -34.5 + 36

Combine like terms: -34.5 + 36 = 1.5
36 + -12w + w2 = 1.5

Factor a perfect square on the left side:
(w + -6)(w + -6) = 1.5

Calculate the square root of the right side: 1.224744871

Break this problem into two subproblems by setting 
(w + -6) equal to 1.224744871 and -1.224744871.

Subproblem 1

w + -6 = 1.224744871 Simplifying w + -6 = 1.224744871 Reorder the terms: -6 + w = 1.224744871 Solving -6 + w = 1.224744871 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + w = 1.224744871 + 6 Combine like terms: -6 + 6 = 0 0 + w = 1.224744871 + 6 w = 1.224744871 + 6 Combine like terms: 1.224744871 + 6 = 7.224744871 w = 7.224744871 Simplifying w = 7.224744871

Subproblem 2

w + -6 = -1.224744871 Simplifying w + -6 = -1.224744871 Reorder the terms: -6 + w = -1.224744871 Solving -6 + w = -1.224744871 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + w = -1.224744871 + 6 Combine like terms: -6 + 6 = 0 0 + w = -1.224744871 + 6 w = -1.224744871 + 6 Combine like terms: -1.224744871 + 6 = 4.775255129 w = 4.775255129 Simplifying w = 4.775255129

Solution

The solution to the problem is based on the solutions from the subproblems. w = {7.224744871, 4.775255129}

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