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Simplifying 6n5(5n2 + -7n + 1) = 0 Reorder the terms: 6n5(1 + -7n + 5n2) = 0 (1 * 6n5 + -7n * 6n5 + 5n2 * 6n5) = 0 (6n5 + -42n6 + 30n7) = 0 Solving 6n5 + -42n6 + 30n7 = 0 Solving for variable 'n'. Factor out the Greatest Common Factor (GCF), '6n5'. 6n5(1 + -7n + 5n2) = 0 Ignore the factor 6.Subproblem 1
Set the factor 'n5' equal to zero and attempt to solve: Simplifying n5 = 0 Solving n5 = 0 Move all terms containing n to the left, all other terms to the right. Simplifying n5 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(1 + -7n + 5n2)' equal to zero and attempt to solve: Simplifying 1 + -7n + 5n2 = 0 Solving 1 + -7n + 5n2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 0.2 + -1.4n + n2 = 0 Move the constant term to the right: Add '-0.2' to each side of the equation. 0.2 + -1.4n + -0.2 + n2 = 0 + -0.2 Reorder the terms: 0.2 + -0.2 + -1.4n + n2 = 0 + -0.2 Combine like terms: 0.2 + -0.2 = 0.0 0.0 + -1.4n + n2 = 0 + -0.2 -1.4n + n2 = 0 + -0.2 Combine like terms: 0 + -0.2 = -0.2 -1.4n + n2 = -0.2 The n term is -1.4n. Take half its coefficient (-0.7). Square it (0.49) and add it to both sides. Add '0.49' to each side of the equation. -1.4n + 0.49 + n2 = -0.2 + 0.49 Reorder the terms: 0.49 + -1.4n + n2 = -0.2 + 0.49 Combine like terms: -0.2 + 0.49 = 0.29 0.49 + -1.4n + n2 = 0.29 Factor a perfect square on the left side: (n + -0.7)(n + -0.7) = 0.29 Calculate the square root of the right side: 0.538516481 Break this problem into two subproblems by setting (n + -0.7) equal to 0.538516481 and -0.538516481.Subproblem 1
n + -0.7 = 0.538516481 Simplifying n + -0.7 = 0.538516481 Reorder the terms: -0.7 + n = 0.538516481 Solving -0.7 + n = 0.538516481 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.7' to each side of the equation. -0.7 + 0.7 + n = 0.538516481 + 0.7 Combine like terms: -0.7 + 0.7 = 0.0 0.0 + n = 0.538516481 + 0.7 n = 0.538516481 + 0.7 Combine like terms: 0.538516481 + 0.7 = 1.238516481 n = 1.238516481 Simplifying n = 1.238516481Subproblem 2
n + -0.7 = -0.538516481 Simplifying n + -0.7 = -0.538516481 Reorder the terms: -0.7 + n = -0.538516481 Solving -0.7 + n = -0.538516481 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.7' to each side of the equation. -0.7 + 0.7 + n = -0.538516481 + 0.7 Combine like terms: -0.7 + 0.7 = 0.0 0.0 + n = -0.538516481 + 0.7 n = -0.538516481 + 0.7 Combine like terms: -0.538516481 + 0.7 = 0.161483519 n = 0.161483519 Simplifying n = 0.161483519Solution
The solution to the problem is based on the solutions from the subproblems. n = {1.238516481, 0.161483519}Solution
n = {1.238516481, 0.161483519}
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