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Simplifying n2 + 5n + -3 = 0 Reorder the terms: -3 + 5n + n2 = 0 Solving -3 + 5n + n2 = 0 Solving for variable 'n'. Begin completing the square. Move the constant term to the right: Add '3' to each side of the equation. -3 + 5n + 3 + n2 = 0 + 3 Reorder the terms: -3 + 3 + 5n + n2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 5n + n2 = 0 + 3 5n + n2 = 0 + 3 Combine like terms: 0 + 3 = 3 5n + n2 = 3 The n term is 5n. 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. 5n + 6.25 + n2 = 3 + 6.25 Reorder the terms: 6.25 + 5n + n2 = 3 + 6.25 Combine like terms: 3 + 6.25 = 9.25 6.25 + 5n + n2 = 9.25 Factor a perfect square on the left side: (n + 2.5)(n + 2.5) = 9.25 Calculate the square root of the right side: 3.041381265 Break this problem into two subproblems by setting (n + 2.5) equal to 3.041381265 and -3.041381265.Subproblem 1
n + 2.5 = 3.041381265 Simplifying n + 2.5 = 3.041381265 Reorder the terms: 2.5 + n = 3.041381265 Solving 2.5 + n = 3.041381265 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + n = 3.041381265 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + n = 3.041381265 + -2.5 n = 3.041381265 + -2.5 Combine like terms: 3.041381265 + -2.5 = 0.541381265 n = 0.541381265 Simplifying n = 0.541381265Subproblem 2
n + 2.5 = -3.041381265 Simplifying n + 2.5 = -3.041381265 Reorder the terms: 2.5 + n = -3.041381265 Solving 2.5 + n = -3.041381265 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + n = -3.041381265 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + n = -3.041381265 + -2.5 n = -3.041381265 + -2.5 Combine like terms: -3.041381265 + -2.5 = -5.541381265 n = -5.541381265 Simplifying n = -5.541381265Solution
The solution to the problem is based on the solutions from the subproblems. n = {0.541381265, -5.541381265}
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