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Simplifying h2 + -20h + -75 = 0 Reorder the terms: -75 + -20h + h2 = 0 Solving -75 + -20h + h2 = 0 Solving for variable 'h'. Begin completing the square. Move the constant term to the right: Add '75' to each side of the equation. -75 + -20h + 75 + h2 = 0 + 75 Reorder the terms: -75 + 75 + -20h + h2 = 0 + 75 Combine like terms: -75 + 75 = 0 0 + -20h + h2 = 0 + 75 -20h + h2 = 0 + 75 Combine like terms: 0 + 75 = 75 -20h + h2 = 75 The h term is -20h. Take half its coefficient (-10). Square it (100) and add it to both sides. Add '100' to each side of the equation. -20h + 100 + h2 = 75 + 100 Reorder the terms: 100 + -20h + h2 = 75 + 100 Combine like terms: 75 + 100 = 175 100 + -20h + h2 = 175 Factor a perfect square on the left side: (h + -10)(h + -10) = 175 Calculate the square root of the right side: 13.228756555 Break this problem into two subproblems by setting (h + -10) equal to 13.228756555 and -13.228756555.Subproblem 1
h + -10 = 13.228756555 Simplifying h + -10 = 13.228756555 Reorder the terms: -10 + h = 13.228756555 Solving -10 + h = 13.228756555 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + h = 13.228756555 + 10 Combine like terms: -10 + 10 = 0 0 + h = 13.228756555 + 10 h = 13.228756555 + 10 Combine like terms: 13.228756555 + 10 = 23.228756555 h = 23.228756555 Simplifying h = 23.228756555Subproblem 2
h + -10 = -13.228756555 Simplifying h + -10 = -13.228756555 Reorder the terms: -10 + h = -13.228756555 Solving -10 + h = -13.228756555 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + h = -13.228756555 + 10 Combine like terms: -10 + 10 = 0 0 + h = -13.228756555 + 10 h = -13.228756555 + 10 Combine like terms: -13.228756555 + 10 = -3.228756555 h = -3.228756555 Simplifying h = -3.228756555Solution
The solution to the problem is based on the solutions from the subproblems. h = {23.228756555, -3.228756555}
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