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Simplifying 5n * 3n = 7n * 3 Reorder the terms for easier multiplication: 5 * 3n * n = 7n * 3 Multiply 5 * 3 15n * n = 7n * 3 Multiply n * n 15n2 = 7n * 3 Reorder the terms for easier multiplication: 15n2 = 7 * 3n Multiply 7 * 3 15n2 = 21n Solving 15n2 = 21n Solving for variable 'n'. Reorder the terms: -21n + 15n2 = 21n + -21n Combine like terms: 21n + -21n = 0 -21n + 15n2 = 0 Factor out the Greatest Common Factor (GCF), '3n'. 3n(-7 + 5n) = 0 Ignore the factor 3.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 '(-7 + 5n)' equal to zero and attempt to solve: Simplifying -7 + 5n = 0 Solving -7 + 5n = 0 Move all terms containing n to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 5n = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 5n = 0 + 7 5n = 0 + 7 Combine like terms: 0 + 7 = 7 5n = 7 Divide each side by '5'. n = 1.4 Simplifying n = 1.4Solution
n = {0, 1.4}
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