w^2-55w+100=0

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Solution for w^2-55w+100=0 equation:


Simplifying
w2 + -55w + 100 = 0

Reorder the terms:
100 + -55w + w2 = 0

Solving
100 + -55w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '-100' to each side of the equation.
100 + -55w + -100 + w2 = 0 + -100

Reorder the terms:
100 + -100 + -55w + w2 = 0 + -100

Combine like terms: 100 + -100 = 0
0 + -55w + w2 = 0 + -100
-55w + w2 = 0 + -100

Combine like terms: 0 + -100 = -100
-55w + w2 = -100

The w term is -55w.  Take half its coefficient (-27.5).
Square it (756.25) and add it to both sides.

Add '756.25' to each side of the equation.
-55w + 756.25 + w2 = -100 + 756.25

Reorder the terms:
756.25 + -55w + w2 = -100 + 756.25

Combine like terms: -100 + 756.25 = 656.25
756.25 + -55w + w2 = 656.25

Factor a perfect square on the left side:
(w + -27.5)(w + -27.5) = 656.25

Calculate the square root of the right side: 25.617376915

Break this problem into two subproblems by setting 
(w + -27.5) equal to 25.617376915 and -25.617376915.

Subproblem 1

w + -27.5 = 25.617376915 Simplifying w + -27.5 = 25.617376915 Reorder the terms: -27.5 + w = 25.617376915 Solving -27.5 + w = 25.617376915 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '27.5' to each side of the equation. -27.5 + 27.5 + w = 25.617376915 + 27.5 Combine like terms: -27.5 + 27.5 = 0.0 0.0 + w = 25.617376915 + 27.5 w = 25.617376915 + 27.5 Combine like terms: 25.617376915 + 27.5 = 53.117376915 w = 53.117376915 Simplifying w = 53.117376915

Subproblem 2

w + -27.5 = -25.617376915 Simplifying w + -27.5 = -25.617376915 Reorder the terms: -27.5 + w = -25.617376915 Solving -27.5 + w = -25.617376915 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '27.5' to each side of the equation. -27.5 + 27.5 + w = -25.617376915 + 27.5 Combine like terms: -27.5 + 27.5 = 0.0 0.0 + w = -25.617376915 + 27.5 w = -25.617376915 + 27.5 Combine like terms: -25.617376915 + 27.5 = 1.882623085 w = 1.882623085 Simplifying w = 1.882623085

Solution

The solution to the problem is based on the solutions from the subproblems. w = {53.117376915, 1.882623085}

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