86-27w+w^2=0

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Solution for 86-27w+w^2=0 equation:


Simplifying
86 + -27w + w2 = 0

Solving
86 + -27w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '-86' to each side of the equation.
86 + -27w + -86 + w2 = 0 + -86

Reorder the terms:
86 + -86 + -27w + w2 = 0 + -86

Combine like terms: 86 + -86 = 0
0 + -27w + w2 = 0 + -86
-27w + w2 = 0 + -86

Combine like terms: 0 + -86 = -86
-27w + w2 = -86

The w term is -27w.  Take half its coefficient (-13.5).
Square it (182.25) and add it to both sides.

Add '182.25' to each side of the equation.
-27w + 182.25 + w2 = -86 + 182.25

Reorder the terms:
182.25 + -27w + w2 = -86 + 182.25

Combine like terms: -86 + 182.25 = 96.25
182.25 + -27w + w2 = 96.25

Factor a perfect square on the left side:
(w + -13.5)(w + -13.5) = 96.25

Calculate the square root of the right side: 9.810708435

Break this problem into two subproblems by setting 
(w + -13.5) equal to 9.810708435 and -9.810708435.

Subproblem 1

w + -13.5 = 9.810708435 Simplifying w + -13.5 = 9.810708435 Reorder the terms: -13.5 + w = 9.810708435 Solving -13.5 + w = 9.810708435 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '13.5' to each side of the equation. -13.5 + 13.5 + w = 9.810708435 + 13.5 Combine like terms: -13.5 + 13.5 = 0.0 0.0 + w = 9.810708435 + 13.5 w = 9.810708435 + 13.5 Combine like terms: 9.810708435 + 13.5 = 23.310708435 w = 23.310708435 Simplifying w = 23.310708435

Subproblem 2

w + -13.5 = -9.810708435 Simplifying w + -13.5 = -9.810708435 Reorder the terms: -13.5 + w = -9.810708435 Solving -13.5 + w = -9.810708435 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '13.5' to each side of the equation. -13.5 + 13.5 + w = -9.810708435 + 13.5 Combine like terms: -13.5 + 13.5 = 0.0 0.0 + w = -9.810708435 + 13.5 w = -9.810708435 + 13.5 Combine like terms: -9.810708435 + 13.5 = 3.689291565 w = 3.689291565 Simplifying w = 3.689291565

Solution

The solution to the problem is based on the solutions from the subproblems. w = {23.310708435, 3.689291565}

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