2w^2+22w=63

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Solution for 2w^2+22w=63 equation:


Simplifying
2w2 + 22w = 63

Reorder the terms:
22w + 2w2 = 63

Solving
22w + 2w2 = 63

Solving for variable 'w'.

Reorder the terms:
-63 + 22w + 2w2 = 63 + -63

Combine like terms: 63 + -63 = 0
-63 + 22w + 2w2 = 0

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

Divide each side by '2'.
-31.5 + 11w + w2 = 0

Move the constant term to the right:

Add '31.5' to each side of the equation.
-31.5 + 11w + 31.5 + w2 = 0 + 31.5

Reorder the terms:
-31.5 + 31.5 + 11w + w2 = 0 + 31.5

Combine like terms: -31.5 + 31.5 = 0.0
0.0 + 11w + w2 = 0 + 31.5
11w + w2 = 0 + 31.5

Combine like terms: 0 + 31.5 = 31.5
11w + w2 = 31.5

The w term is 11w.  Take half its coefficient (5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
11w + 30.25 + w2 = 31.5 + 30.25

Reorder the terms:
30.25 + 11w + w2 = 31.5 + 30.25

Combine like terms: 31.5 + 30.25 = 61.75
30.25 + 11w + w2 = 61.75

Factor a perfect square on the left side:
(w + 5.5)(w + 5.5) = 61.75

Calculate the square root of the right side: 7.858116823

Break this problem into two subproblems by setting 
(w + 5.5) equal to 7.858116823 and -7.858116823.

Subproblem 1

w + 5.5 = 7.858116823 Simplifying w + 5.5 = 7.858116823 Reorder the terms: 5.5 + w = 7.858116823 Solving 5.5 + w = 7.858116823 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + w = 7.858116823 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + w = 7.858116823 + -5.5 w = 7.858116823 + -5.5 Combine like terms: 7.858116823 + -5.5 = 2.358116823 w = 2.358116823 Simplifying w = 2.358116823

Subproblem 2

w + 5.5 = -7.858116823 Simplifying w + 5.5 = -7.858116823 Reorder the terms: 5.5 + w = -7.858116823 Solving 5.5 + w = -7.858116823 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + w = -7.858116823 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + w = -7.858116823 + -5.5 w = -7.858116823 + -5.5 Combine like terms: -7.858116823 + -5.5 = -13.358116823 w = -13.358116823 Simplifying w = -13.358116823

Solution

The solution to the problem is based on the solutions from the subproblems. w = {2.358116823, -13.358116823}

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