w^2-86w+450=0

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Solution for w^2-86w+450=0 equation:


Simplifying
w2 + -86w + 450 = 0

Reorder the terms:
450 + -86w + w2 = 0

Solving
450 + -86w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '-450' to each side of the equation.
450 + -86w + -450 + w2 = 0 + -450

Reorder the terms:
450 + -450 + -86w + w2 = 0 + -450

Combine like terms: 450 + -450 = 0
0 + -86w + w2 = 0 + -450
-86w + w2 = 0 + -450

Combine like terms: 0 + -450 = -450
-86w + w2 = -450

The w term is -86w.  Take half its coefficient (-43).
Square it (1849) and add it to both sides.

Add '1849' to each side of the equation.
-86w + 1849 + w2 = -450 + 1849

Reorder the terms:
1849 + -86w + w2 = -450 + 1849

Combine like terms: -450 + 1849 = 1399
1849 + -86w + w2 = 1399

Factor a perfect square on the left side:
(w + -43)(w + -43) = 1399

Calculate the square root of the right side: 37.403208419

Break this problem into two subproblems by setting 
(w + -43) equal to 37.403208419 and -37.403208419.

Subproblem 1

w + -43 = 37.403208419 Simplifying w + -43 = 37.403208419 Reorder the terms: -43 + w = 37.403208419 Solving -43 + w = 37.403208419 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '43' to each side of the equation. -43 + 43 + w = 37.403208419 + 43 Combine like terms: -43 + 43 = 0 0 + w = 37.403208419 + 43 w = 37.403208419 + 43 Combine like terms: 37.403208419 + 43 = 80.403208419 w = 80.403208419 Simplifying w = 80.403208419

Subproblem 2

w + -43 = -37.403208419 Simplifying w + -43 = -37.403208419 Reorder the terms: -43 + w = -37.403208419 Solving -43 + w = -37.403208419 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '43' to each side of the equation. -43 + 43 + w = -37.403208419 + 43 Combine like terms: -43 + 43 = 0 0 + w = -37.403208419 + 43 w = -37.403208419 + 43 Combine like terms: -37.403208419 + 43 = 5.596791581 w = 5.596791581 Simplifying w = 5.596791581

Solution

The solution to the problem is based on the solutions from the subproblems. w = {80.403208419, 5.596791581}

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