4n(n-4)-8n(n+5)=

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Solution for 4n(n-4)-8n(n+5)= equation:


Simplifying
4n(n + -4) + -8n(n + 5) = 0

Reorder the terms:
4n(-4 + n) + -8n(n + 5) = 0
(-4 * 4n + n * 4n) + -8n(n + 5) = 0
(-16n + 4n2) + -8n(n + 5) = 0

Reorder the terms:
-16n + 4n2 + -8n(5 + n) = 0
-16n + 4n2 + (5 * -8n + n * -8n) = 0
-16n + 4n2 + (-40n + -8n2) = 0

Reorder the terms:
-16n + -40n + 4n2 + -8n2 = 0

Combine like terms: -16n + -40n = -56n
-56n + 4n2 + -8n2 = 0

Combine like terms: 4n2 + -8n2 = -4n2
-56n + -4n2 = 0

Solving
-56n + -4n2 = 0

Solving for variable 'n'.

Factor out the Greatest Common Factor (GCF), '-4n'.
-4n(14 + n) = 0

Ignore the factor -4.

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 '(14 + n)' equal to zero and attempt to solve: Simplifying 14 + n = 0 Solving 14 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + n = 0 + -14 Combine like terms: 14 + -14 = 0 0 + n = 0 + -14 n = 0 + -14 Combine like terms: 0 + -14 = -14 n = -14 Simplifying n = -14

Solution

n = {0, -14}

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