h^2+26h-8=0

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Solution for h^2+26h-8=0 equation:


Simplifying
h2 + 26h + -8 = 0

Reorder the terms:
-8 + 26h + h2 = 0

Solving
-8 + 26h + h2 = 0

Solving for variable 'h'.

Begin completing the square.

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + 26h + 8 + h2 = 0 + 8

Reorder the terms:
-8 + 8 + 26h + h2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 26h + h2 = 0 + 8
26h + h2 = 0 + 8

Combine like terms: 0 + 8 = 8
26h + h2 = 8

The h term is 26h.  Take half its coefficient (13).
Square it (169) and add it to both sides.

Add '169' to each side of the equation.
26h + 169 + h2 = 8 + 169

Reorder the terms:
169 + 26h + h2 = 8 + 169

Combine like terms: 8 + 169 = 177
169 + 26h + h2 = 177

Factor a perfect square on the left side:
(h + 13)(h + 13) = 177

Calculate the square root of the right side: 13.304134696

Break this problem into two subproblems by setting 
(h + 13) equal to 13.304134696 and -13.304134696.

Subproblem 1

h + 13 = 13.304134696 Simplifying h + 13 = 13.304134696 Reorder the terms: 13 + h = 13.304134696 Solving 13 + h = 13.304134696 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + h = 13.304134696 + -13 Combine like terms: 13 + -13 = 0 0 + h = 13.304134696 + -13 h = 13.304134696 + -13 Combine like terms: 13.304134696 + -13 = 0.304134696 h = 0.304134696 Simplifying h = 0.304134696

Subproblem 2

h + 13 = -13.304134696 Simplifying h + 13 = -13.304134696 Reorder the terms: 13 + h = -13.304134696 Solving 13 + h = -13.304134696 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + h = -13.304134696 + -13 Combine like terms: 13 + -13 = 0 0 + h = -13.304134696 + -13 h = -13.304134696 + -13 Combine like terms: -13.304134696 + -13 = -26.304134696 h = -26.304134696 Simplifying h = -26.304134696

Solution

The solution to the problem is based on the solutions from the subproblems. h = {0.304134696, -26.304134696}

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