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Simplifying h2 + 14h + -4 = 0 Reorder the terms: -4 + 14h + h2 = 0 Solving -4 + 14h + h2 = 0 Solving for variable 'h'. Begin completing the square. Move the constant term to the right: Add '4' to each side of the equation. -4 + 14h + 4 + h2 = 0 + 4 Reorder the terms: -4 + 4 + 14h + h2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 14h + h2 = 0 + 4 14h + h2 = 0 + 4 Combine like terms: 0 + 4 = 4 14h + h2 = 4 The h term is 14h. Take half its coefficient (7). Square it (49) and add it to both sides. Add '49' to each side of the equation. 14h + 49 + h2 = 4 + 49 Reorder the terms: 49 + 14h + h2 = 4 + 49 Combine like terms: 4 + 49 = 53 49 + 14h + h2 = 53 Factor a perfect square on the left side: (h + 7)(h + 7) = 53 Calculate the square root of the right side: 7.280109889 Break this problem into two subproblems by setting (h + 7) equal to 7.280109889 and -7.280109889.Subproblem 1
h + 7 = 7.280109889 Simplifying h + 7 = 7.280109889 Reorder the terms: 7 + h = 7.280109889 Solving 7 + h = 7.280109889 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + h = 7.280109889 + -7 Combine like terms: 7 + -7 = 0 0 + h = 7.280109889 + -7 h = 7.280109889 + -7 Combine like terms: 7.280109889 + -7 = 0.280109889 h = 0.280109889 Simplifying h = 0.280109889Subproblem 2
h + 7 = -7.280109889 Simplifying h + 7 = -7.280109889 Reorder the terms: 7 + h = -7.280109889 Solving 7 + h = -7.280109889 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + h = -7.280109889 + -7 Combine like terms: 7 + -7 = 0 0 + h = -7.280109889 + -7 h = -7.280109889 + -7 Combine like terms: -7.280109889 + -7 = -14.280109889 h = -14.280109889 Simplifying h = -14.280109889Solution
The solution to the problem is based on the solutions from the subproblems. h = {0.280109889, -14.280109889}
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