5n^3=20n^2

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Solution for 5n^3=20n^2 equation:


Simplifying
5n3 = 20n2

Solving
5n3 = 20n2

Solving for variable 'n'.

Reorder the terms:
-20n2 + 5n3 = 20n2 + -20n2

Combine like terms: 20n2 + -20n2 = 0
-20n2 + 5n3 = 0

Factor out the Greatest Common Factor (GCF), '5n2'.
5n2(-4 + n) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'n2' equal to zero and attempt to solve: Simplifying n2 = 0 Solving n2 = 0 Move all terms containing n to the left, all other terms to the right. Simplifying n2 = 0 Take the square root of each side: n = {0}

Subproblem 2

Set the factor '(-4 + n)' equal to zero and attempt to solve: Simplifying -4 + n = 0 Solving -4 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + n = 0 + 4 Combine like terms: -4 + 4 = 0 0 + n = 0 + 4 n = 0 + 4 Combine like terms: 0 + 4 = 4 n = 4 Simplifying n = 4

Solution

n = {0, 4}

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