h^2+6h-6=0

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Solution for h^2+6h-6=0 equation:


Simplifying
h2 + 6h + -6 = 0

Reorder the terms:
-6 + 6h + h2 = 0

Solving
-6 + 6h + h2 = 0

Solving for variable 'h'.

Begin completing the square.

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + 6h + 6 + h2 = 0 + 6

Reorder the terms:
-6 + 6 + 6h + h2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 6h + h2 = 0 + 6
6h + h2 = 0 + 6

Combine like terms: 0 + 6 = 6
6h + h2 = 6

The h term is 6h.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6h + 9 + h2 = 6 + 9

Reorder the terms:
9 + 6h + h2 = 6 + 9

Combine like terms: 6 + 9 = 15
9 + 6h + h2 = 15

Factor a perfect square on the left side:
(h + 3)(h + 3) = 15

Calculate the square root of the right side: 3.872983346

Break this problem into two subproblems by setting 
(h + 3) equal to 3.872983346 and -3.872983346.

Subproblem 1

h + 3 = 3.872983346 Simplifying h + 3 = 3.872983346 Reorder the terms: 3 + h = 3.872983346 Solving 3 + h = 3.872983346 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + h = 3.872983346 + -3 Combine like terms: 3 + -3 = 0 0 + h = 3.872983346 + -3 h = 3.872983346 + -3 Combine like terms: 3.872983346 + -3 = 0.872983346 h = 0.872983346 Simplifying h = 0.872983346

Subproblem 2

h + 3 = -3.872983346 Simplifying h + 3 = -3.872983346 Reorder the terms: 3 + h = -3.872983346 Solving 3 + h = -3.872983346 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + h = -3.872983346 + -3 Combine like terms: 3 + -3 = 0 0 + h = -3.872983346 + -3 h = -3.872983346 + -3 Combine like terms: -3.872983346 + -3 = -6.872983346 h = -6.872983346 Simplifying h = -6.872983346

Solution

The solution to the problem is based on the solutions from the subproblems. h = {0.872983346, -6.872983346}

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