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Simplifying 6n(n + -1) = 2(2n + 4) Reorder the terms: 6n(-1 + n) = 2(2n + 4) (-1 * 6n + n * 6n) = 2(2n + 4) (-6n + 6n2) = 2(2n + 4) Reorder the terms: -6n + 6n2 = 2(4 + 2n) -6n + 6n2 = (4 * 2 + 2n * 2) -6n + 6n2 = (8 + 4n) Solving -6n + 6n2 = 8 + 4n Solving for variable 'n'. Reorder the terms: -8 + -6n + -4n + 6n2 = 8 + 4n + -8 + -4n Combine like terms: -6n + -4n = -10n -8 + -10n + 6n2 = 8 + 4n + -8 + -4n Reorder the terms: -8 + -10n + 6n2 = 8 + -8 + 4n + -4n Combine like terms: 8 + -8 = 0 -8 + -10n + 6n2 = 0 + 4n + -4n -8 + -10n + 6n2 = 4n + -4n Combine like terms: 4n + -4n = 0 -8 + -10n + 6n2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-4 + -5n + 3n2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-4 + -5n + 3n2)' equal to zero and attempt to solve: Simplifying -4 + -5n + 3n2 = 0 Solving -4 + -5n + 3n2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -1.333333333 + -1.666666667n + n2 = 0 Move the constant term to the right: Add '1.333333333' to each side of the equation. -1.333333333 + -1.666666667n + 1.333333333 + n2 = 0 + 1.333333333 Reorder the terms: -1.333333333 + 1.333333333 + -1.666666667n + n2 = 0 + 1.333333333 Combine like terms: -1.333333333 + 1.333333333 = 0.000000000 0.000000000 + -1.666666667n + n2 = 0 + 1.333333333 -1.666666667n + n2 = 0 + 1.333333333 Combine like terms: 0 + 1.333333333 = 1.333333333 -1.666666667n + n2 = 1.333333333 The n term is -1.666666667n. Take half its coefficient (-0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. -1.666666667n + 0.6944444447 + n2 = 1.333333333 + 0.6944444447 Reorder the terms: 0.6944444447 + -1.666666667n + n2 = 1.333333333 + 0.6944444447 Combine like terms: 1.333333333 + 0.6944444447 = 2.0277777777 0.6944444447 + -1.666666667n + n2 = 2.0277777777 Factor a perfect square on the left side: (n + -0.8333333335)(n + -0.8333333335) = 2.0277777777 Calculate the square root of the right side: 1.424000624 Break this problem into two subproblems by setting (n + -0.8333333335) equal to 1.424000624 and -1.424000624.Subproblem 1
n + -0.8333333335 = 1.424000624 Simplifying n + -0.8333333335 = 1.424000624 Reorder the terms: -0.8333333335 + n = 1.424000624 Solving -0.8333333335 + n = 1.424000624 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + n = 1.424000624 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + n = 1.424000624 + 0.8333333335 n = 1.424000624 + 0.8333333335 Combine like terms: 1.424000624 + 0.8333333335 = 2.2573339575 n = 2.2573339575 Simplifying n = 2.2573339575Subproblem 2
n + -0.8333333335 = -1.424000624 Simplifying n + -0.8333333335 = -1.424000624 Reorder the terms: -0.8333333335 + n = -1.424000624 Solving -0.8333333335 + n = -1.424000624 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + n = -1.424000624 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + n = -1.424000624 + 0.8333333335 n = -1.424000624 + 0.8333333335 Combine like terms: -1.424000624 + 0.8333333335 = -0.5906672905 n = -0.5906672905 Simplifying n = -0.5906672905Solution
The solution to the problem is based on the solutions from the subproblems. n = {2.2573339575, -0.5906672905}Solution
n = {2.2573339575, -0.5906672905}
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