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Simplifying 2h2 + 10h + 3 = 0 Reorder the terms: 3 + 10h + 2h2 = 0 Solving 3 + 10h + 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'. 1.5 + 5h + h2 = 0 Move the constant term to the right: Add '-1.5' to each side of the equation. 1.5 + 5h + -1.5 + h2 = 0 + -1.5 Reorder the terms: 1.5 + -1.5 + 5h + h2 = 0 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + 5h + h2 = 0 + -1.5 5h + h2 = 0 + -1.5 Combine like terms: 0 + -1.5 = -1.5 5h + h2 = -1.5 The h term is 5h. Take half its coefficient (2.5). Square it (6.25) and add it to both sides. Add '6.25' to each side of the equation. 5h + 6.25 + h2 = -1.5 + 6.25 Reorder the terms: 6.25 + 5h + h2 = -1.5 + 6.25 Combine like terms: -1.5 + 6.25 = 4.75 6.25 + 5h + h2 = 4.75 Factor a perfect square on the left side: (h + 2.5)(h + 2.5) = 4.75 Calculate the square root of the right side: 2.179449472 Break this problem into two subproblems by setting (h + 2.5) equal to 2.179449472 and -2.179449472.Subproblem 1
h + 2.5 = 2.179449472 Simplifying h + 2.5 = 2.179449472 Reorder the terms: 2.5 + h = 2.179449472 Solving 2.5 + h = 2.179449472 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + h = 2.179449472 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + h = 2.179449472 + -2.5 h = 2.179449472 + -2.5 Combine like terms: 2.179449472 + -2.5 = -0.320550528 h = -0.320550528 Simplifying h = -0.320550528Subproblem 2
h + 2.5 = -2.179449472 Simplifying h + 2.5 = -2.179449472 Reorder the terms: 2.5 + h = -2.179449472 Solving 2.5 + h = -2.179449472 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + h = -2.179449472 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + h = -2.179449472 + -2.5 h = -2.179449472 + -2.5 Combine like terms: -2.179449472 + -2.5 = -4.679449472 h = -4.679449472 Simplifying h = -4.679449472Solution
The solution to the problem is based on the solutions from the subproblems. h = {-0.320550528, -4.679449472}
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