h^2+15=15h

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Solution for h^2+15=15h equation:


Simplifying
h2 + 15 = 15h

Reorder the terms:
15 + h2 = 15h

Solving
15 + h2 = 15h

Solving for variable 'h'.

Reorder the terms:
15 + -15h + h2 = 15h + -15h

Combine like terms: 15h + -15h = 0
15 + -15h + h2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -15h + -15 + h2 = 0 + -15

Reorder the terms:
15 + -15 + -15h + h2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -15h + h2 = 0 + -15
-15h + h2 = 0 + -15

Combine like terms: 0 + -15 = -15
-15h + h2 = -15

The h term is -15h.  Take half its coefficient (-7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
-15h + 56.25 + h2 = -15 + 56.25

Reorder the terms:
56.25 + -15h + h2 = -15 + 56.25

Combine like terms: -15 + 56.25 = 41.25
56.25 + -15h + h2 = 41.25

Factor a perfect square on the left side:
(h + -7.5)(h + -7.5) = 41.25

Calculate the square root of the right side: 6.422616289

Break this problem into two subproblems by setting 
(h + -7.5) equal to 6.422616289 and -6.422616289.

Subproblem 1

h + -7.5 = 6.422616289 Simplifying h + -7.5 = 6.422616289 Reorder the terms: -7.5 + h = 6.422616289 Solving -7.5 + h = 6.422616289 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '7.5' to each side of the equation. -7.5 + 7.5 + h = 6.422616289 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + h = 6.422616289 + 7.5 h = 6.422616289 + 7.5 Combine like terms: 6.422616289 + 7.5 = 13.922616289 h = 13.922616289 Simplifying h = 13.922616289

Subproblem 2

h + -7.5 = -6.422616289 Simplifying h + -7.5 = -6.422616289 Reorder the terms: -7.5 + h = -6.422616289 Solving -7.5 + h = -6.422616289 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '7.5' to each side of the equation. -7.5 + 7.5 + h = -6.422616289 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + h = -6.422616289 + 7.5 h = -6.422616289 + 7.5 Combine like terms: -6.422616289 + 7.5 = 1.077383711 h = 1.077383711 Simplifying h = 1.077383711

Solution

The solution to the problem is based on the solutions from the subproblems. h = {13.922616289, 1.077383711}

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