21n^2+6n=0

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Solution for 21n^2+6n=0 equation:


Simplifying
21n2 + 6n = 0

Reorder the terms:
6n + 21n2 = 0

Solving
6n + 21n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), '3n'.
3n(2 + 7n) = 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 = 0

Subproblem 2

Set the factor '(2 + 7n)' equal to zero and attempt to solve: Simplifying 2 + 7n = 0 Solving 2 + 7n = 0 Move all terms containing n to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 7n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 7n = 0 + -2 7n = 0 + -2 Combine like terms: 0 + -2 = -2 7n = -2 Divide each side by '7'. n = -0.2857142857 Simplifying n = -0.2857142857

Solution

n = {0, -0.2857142857}

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