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Simplifying -7n2 + -5n = 0 Reorder the terms: -5n + -7n2 = 0 Solving -5n + -7n2 = 0 Solving for variable 'n'. Factor out the Greatest Common Factor (GCF), '-1n'. -1n(5 + 7n) = 0 Ignore the factor -1.Subproblem 1
Set the factor 'n' equal to zero and attempt to solve: Simplifying n = 0 Solving n = 0 Move all terms containing n to the left, all other terms to the right. Simplifying n = 0Subproblem 2
Set the factor '(5 + 7n)' equal to zero and attempt to solve: Simplifying 5 + 7n = 0 Solving 5 + 7n = 0 Move all terms containing n to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 7n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 7n = 0 + -5 7n = 0 + -5 Combine like terms: 0 + -5 = -5 7n = -5 Divide each side by '7'. n = -0.7142857143 Simplifying n = -0.7142857143Solution
n = {0, -0.7142857143}
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