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Simplifying 2h2 + -2h + -1 = 0 Reorder the terms: -1 + -2h + 2h2 = 0 Solving -1 + -2h + 2h2 = 0 Solving for variable 'h'. Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -0.5 + -1h + h2 = 0 Move the constant term to the right: Add '0.5' to each side of the equation. -0.5 + -1h + 0.5 + h2 = 0 + 0.5 Reorder the terms: -0.5 + 0.5 + -1h + h2 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + -1h + h2 = 0 + 0.5 -1h + h2 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 -1h + h2 = 0.5 The h term is -1h. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1h + 0.25 + h2 = 0.5 + 0.25 Reorder the terms: 0.25 + -1h + h2 = 0.5 + 0.25 Combine like terms: 0.5 + 0.25 = 0.75 0.25 + -1h + h2 = 0.75 Factor a perfect square on the left side: (h + -0.5)(h + -0.5) = 0.75 Calculate the square root of the right side: 0.866025404 Break this problem into two subproblems by setting (h + -0.5) equal to 0.866025404 and -0.866025404.Subproblem 1
h + -0.5 = 0.866025404 Simplifying h + -0.5 = 0.866025404 Reorder the terms: -0.5 + h = 0.866025404 Solving -0.5 + h = 0.866025404 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + h = 0.866025404 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + h = 0.866025404 + 0.5 h = 0.866025404 + 0.5 Combine like terms: 0.866025404 + 0.5 = 1.366025404 h = 1.366025404 Simplifying h = 1.366025404Subproblem 2
h + -0.5 = -0.866025404 Simplifying h + -0.5 = -0.866025404 Reorder the terms: -0.5 + h = -0.866025404 Solving -0.5 + h = -0.866025404 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + h = -0.866025404 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + h = -0.866025404 + 0.5 h = -0.866025404 + 0.5 Combine like terms: -0.866025404 + 0.5 = -0.366025404 h = -0.366025404 Simplifying h = -0.366025404Solution
The solution to the problem is based on the solutions from the subproblems. h = {1.366025404, -0.366025404}
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