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Simplifying h2 + -5h + -18 = 0 Reorder the terms: -18 + -5h + h2 = 0 Solving -18 + -5h + h2 = 0 Solving for variable 'h'. Begin completing the square. Move the constant term to the right: Add '18' to each side of the equation. -18 + -5h + 18 + h2 = 0 + 18 Reorder the terms: -18 + 18 + -5h + h2 = 0 + 18 Combine like terms: -18 + 18 = 0 0 + -5h + h2 = 0 + 18 -5h + h2 = 0 + 18 Combine like terms: 0 + 18 = 18 -5h + h2 = 18 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 = 18 + 6.25 Reorder the terms: 6.25 + -5h + h2 = 18 + 6.25 Combine like terms: 18 + 6.25 = 24.25 6.25 + -5h + h2 = 24.25 Factor a perfect square on the left side: (h + -2.5)(h + -2.5) = 24.25 Calculate the square root of the right side: 4.924428901 Break this problem into two subproblems by setting (h + -2.5) equal to 4.924428901 and -4.924428901.Subproblem 1
h + -2.5 = 4.924428901 Simplifying h + -2.5 = 4.924428901 Reorder the terms: -2.5 + h = 4.924428901 Solving -2.5 + h = 4.924428901 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 = 4.924428901 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + h = 4.924428901 + 2.5 h = 4.924428901 + 2.5 Combine like terms: 4.924428901 + 2.5 = 7.424428901 h = 7.424428901 Simplifying h = 7.424428901Subproblem 2
h + -2.5 = -4.924428901 Simplifying h + -2.5 = -4.924428901 Reorder the terms: -2.5 + h = -4.924428901 Solving -2.5 + h = -4.924428901 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 = -4.924428901 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + h = -4.924428901 + 2.5 h = -4.924428901 + 2.5 Combine like terms: -4.924428901 + 2.5 = -2.424428901 h = -2.424428901 Simplifying h = -2.424428901Solution
The solution to the problem is based on the solutions from the subproblems. h = {7.424428901, -2.424428901}
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