5n+20n=5n(n+20)

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Solution for 5n+20n=5n(n+20) equation:


Simplifying
5n + 20n = 5n(n + 20)

Combine like terms: 5n + 20n = 25n
25n = 5n(n + 20)

Reorder the terms:
25n = 5n(20 + n)
25n = (20 * 5n + n * 5n)
25n = (100n + 5n2)

Solving
25n = 100n + 5n2

Solving for variable 'n'.

Combine like terms: 25n + -100n = -75n
-75n + -5n2 = 100n + 5n2 + -100n + -5n2

Reorder the terms:
-75n + -5n2 = 100n + -100n + 5n2 + -5n2

Combine like terms: 100n + -100n = 0
-75n + -5n2 = 0 + 5n2 + -5n2
-75n + -5n2 = 5n2 + -5n2

Combine like terms: 5n2 + -5n2 = 0
-75n + -5n2 = 0

Factor out the Greatest Common Factor (GCF), '-5n'.
-5n(15 + n) = 0

Ignore the factor -5.

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 '(15 + n)' equal to zero and attempt to solve: Simplifying 15 + n = 0 Solving 15 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + n = 0 + -15 Combine like terms: 15 + -15 = 0 0 + n = 0 + -15 n = 0 + -15 Combine like terms: 0 + -15 = -15 n = -15 Simplifying n = -15

Solution

n = {0, -15}

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