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Simplifying 8n2 + n + -10 = 0 Reorder the terms: -10 + n + 8n2 = 0 Solving -10 + n + 8n2 = 0 Solving for variable 'n'. Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. -1.25 + 0.125n + n2 = 0 Move the constant term to the right: Add '1.25' to each side of the equation. -1.25 + 0.125n + 1.25 + n2 = 0 + 1.25 Reorder the terms: -1.25 + 1.25 + 0.125n + n2 = 0 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + 0.125n + n2 = 0 + 1.25 0.125n + n2 = 0 + 1.25 Combine like terms: 0 + 1.25 = 1.25 0.125n + n2 = 1.25 The n term is n. 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. 0.125n + 0.25 + n2 = 1.25 + 0.25 Reorder the terms: 0.25 + 0.125n + n2 = 1.25 + 0.25 Combine like terms: 1.25 + 0.25 = 1.5 0.25 + 0.125n + n2 = 1.5 Factor a perfect square on the left side: (n + 0.5)(n + 0.5) = 1.5 Calculate the square root of the right side: 1.224744871 Break this problem into two subproblems by setting (n + 0.5) equal to 1.224744871 and -1.224744871.Subproblem 1
n + 0.5 = 1.224744871 Simplifying n + 0.5 = 1.224744871 Reorder the terms: 0.5 + n = 1.224744871 Solving 0.5 + n = 1.224744871 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + n = 1.224744871 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + n = 1.224744871 + -0.5 n = 1.224744871 + -0.5 Combine like terms: 1.224744871 + -0.5 = 0.724744871 n = 0.724744871 Simplifying n = 0.724744871Subproblem 2
n + 0.5 = -1.224744871 Simplifying n + 0.5 = -1.224744871 Reorder the terms: 0.5 + n = -1.224744871 Solving 0.5 + n = -1.224744871 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + n = -1.224744871 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + n = -1.224744871 + -0.5 n = -1.224744871 + -0.5 Combine like terms: -1.224744871 + -0.5 = -1.724744871 n = -1.724744871 Simplifying n = -1.724744871Solution
The solution to the problem is based on the solutions from the subproblems. n = {0.724744871, -1.724744871}
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