3h^2-30h+38=0

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Solution for 3h^2-30h+38=0 equation:


Simplifying
3h2 + -30h + 38 = 0

Reorder the terms:
38 + -30h + 3h2 = 0

Solving
38 + -30h + 3h2 = 0

Solving for variable 'h'.

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

Divide each side by '3'.
12.66666667 + -10h + h2 = 0

Move the constant term to the right:

Add '-12.66666667' to each side of the equation.
12.66666667 + -10h + -12.66666667 + h2 = 0 + -12.66666667

Reorder the terms:
12.66666667 + -12.66666667 + -10h + h2 = 0 + -12.66666667

Combine like terms: 12.66666667 + -12.66666667 = 0.00000000
0.00000000 + -10h + h2 = 0 + -12.66666667
-10h + h2 = 0 + -12.66666667

Combine like terms: 0 + -12.66666667 = -12.66666667
-10h + h2 = -12.66666667

The h term is -10h.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10h + 25 + h2 = -12.66666667 + 25

Reorder the terms:
25 + -10h + h2 = -12.66666667 + 25

Combine like terms: -12.66666667 + 25 = 12.33333333
25 + -10h + h2 = 12.33333333

Factor a perfect square on the left side:
(h + -5)(h + -5) = 12.33333333

Calculate the square root of the right side: 3.511884584

Break this problem into two subproblems by setting 
(h + -5) equal to 3.511884584 and -3.511884584.

Subproblem 1

h + -5 = 3.511884584 Simplifying h + -5 = 3.511884584 Reorder the terms: -5 + h = 3.511884584 Solving -5 + h = 3.511884584 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + h = 3.511884584 + 5 Combine like terms: -5 + 5 = 0 0 + h = 3.511884584 + 5 h = 3.511884584 + 5 Combine like terms: 3.511884584 + 5 = 8.511884584 h = 8.511884584 Simplifying h = 8.511884584

Subproblem 2

h + -5 = -3.511884584 Simplifying h + -5 = -3.511884584 Reorder the terms: -5 + h = -3.511884584 Solving -5 + h = -3.511884584 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + h = -3.511884584 + 5 Combine like terms: -5 + 5 = 0 0 + h = -3.511884584 + 5 h = -3.511884584 + 5 Combine like terms: -3.511884584 + 5 = 1.488115416 h = 1.488115416 Simplifying h = 1.488115416

Solution

The solution to the problem is based on the solutions from the subproblems. h = {8.511884584, 1.488115416}

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