3w^2-75w+25=0

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Solution for 3w^2-75w+25=0 equation:


Simplifying
3w2 + -75w + 25 = 0

Reorder the terms:
25 + -75w + 3w2 = 0

Solving
25 + -75w + 3w2 = 0

Solving for variable 'w'.

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

Divide each side by '3'.
8.333333333 + -25w + w2 = 0

Move the constant term to the right:

Add '-8.333333333' to each side of the equation.
8.333333333 + -25w + -8.333333333 + w2 = 0 + -8.333333333

Reorder the terms:
8.333333333 + -8.333333333 + -25w + w2 = 0 + -8.333333333

Combine like terms: 8.333333333 + -8.333333333 = 0.000000000
0.000000000 + -25w + w2 = 0 + -8.333333333
-25w + w2 = 0 + -8.333333333

Combine like terms: 0 + -8.333333333 = -8.333333333
-25w + w2 = -8.333333333

The w term is -25w.  Take half its coefficient (-12.5).
Square it (156.25) and add it to both sides.

Add '156.25' to each side of the equation.
-25w + 156.25 + w2 = -8.333333333 + 156.25

Reorder the terms:
156.25 + -25w + w2 = -8.333333333 + 156.25

Combine like terms: -8.333333333 + 156.25 = 147.916666667
156.25 + -25w + w2 = 147.916666667

Factor a perfect square on the left side:
(w + -12.5)(w + -12.5) = 147.916666667

Calculate the square root of the right side: 12.162099599

Break this problem into two subproblems by setting 
(w + -12.5) equal to 12.162099599 and -12.162099599.

Subproblem 1

w + -12.5 = 12.162099599 Simplifying w + -12.5 = 12.162099599 Reorder the terms: -12.5 + w = 12.162099599 Solving -12.5 + w = 12.162099599 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + w = 12.162099599 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + w = 12.162099599 + 12.5 w = 12.162099599 + 12.5 Combine like terms: 12.162099599 + 12.5 = 24.662099599 w = 24.662099599 Simplifying w = 24.662099599

Subproblem 2

w + -12.5 = -12.162099599 Simplifying w + -12.5 = -12.162099599 Reorder the terms: -12.5 + w = -12.162099599 Solving -12.5 + w = -12.162099599 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + w = -12.162099599 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + w = -12.162099599 + 12.5 w = -12.162099599 + 12.5 Combine like terms: -12.162099599 + 12.5 = 0.337900401 w = 0.337900401 Simplifying w = 0.337900401

Solution

The solution to the problem is based on the solutions from the subproblems. w = {24.662099599, 0.337900401}

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