h^2-27h+108=0

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Solution for h^2-27h+108=0 equation:


Simplifying
h2 + -27h + 108 = 0

Reorder the terms:
108 + -27h + h2 = 0

Solving
108 + -27h + h2 = 0

Solving for variable 'h'.

Begin completing the square.

Move the constant term to the right:

Add '-108' to each side of the equation.
108 + -27h + -108 + h2 = 0 + -108

Reorder the terms:
108 + -108 + -27h + h2 = 0 + -108

Combine like terms: 108 + -108 = 0
0 + -27h + h2 = 0 + -108
-27h + h2 = 0 + -108

Combine like terms: 0 + -108 = -108
-27h + h2 = -108

The h term is -27h.  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.
-27h + 182.25 + h2 = -108 + 182.25

Reorder the terms:
182.25 + -27h + h2 = -108 + 182.25

Combine like terms: -108 + 182.25 = 74.25
182.25 + -27h + h2 = 74.25

Factor a perfect square on the left side:
(h + -13.5)(h + -13.5) = 74.25

Calculate the square root of the right side: 8.61684397

Break this problem into two subproblems by setting 
(h + -13.5) equal to 8.61684397 and -8.61684397.

Subproblem 1

h + -13.5 = 8.61684397 Simplifying h + -13.5 = 8.61684397 Reorder the terms: -13.5 + h = 8.61684397 Solving -13.5 + h = 8.61684397 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '13.5' to each side of the equation. -13.5 + 13.5 + h = 8.61684397 + 13.5 Combine like terms: -13.5 + 13.5 = 0.0 0.0 + h = 8.61684397 + 13.5 h = 8.61684397 + 13.5 Combine like terms: 8.61684397 + 13.5 = 22.11684397 h = 22.11684397 Simplifying h = 22.11684397

Subproblem 2

h + -13.5 = -8.61684397 Simplifying h + -13.5 = -8.61684397 Reorder the terms: -13.5 + h = -8.61684397 Solving -13.5 + h = -8.61684397 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '13.5' to each side of the equation. -13.5 + 13.5 + h = -8.61684397 + 13.5 Combine like terms: -13.5 + 13.5 = 0.0 0.0 + h = -8.61684397 + 13.5 h = -8.61684397 + 13.5 Combine like terms: -8.61684397 + 13.5 = 4.88315603 h = 4.88315603 Simplifying h = 4.88315603

Solution

The solution to the problem is based on the solutions from the subproblems. h = {22.11684397, 4.88315603}

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