6n^2-8n=128

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Solution for 6n^2-8n=128 equation:


Simplifying
6n2 + -8n = 128

Reorder the terms:
-8n + 6n2 = 128

Solving
-8n + 6n2 = 128

Solving for variable 'n'.

Reorder the terms:
-128 + -8n + 6n2 = 128 + -128

Combine like terms: 128 + -128 = 0
-128 + -8n + 6n2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-64 + -4n + 3n2) = 0

Factor a trinomial.
2((-4 + -1n)(16 + -3n)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-4 + -1n)' equal to zero and attempt to solve: Simplifying -4 + -1n = 0 Solving -4 + -1n = 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 + -1n = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1n = 0 + 4 -1n = 0 + 4 Combine like terms: 0 + 4 = 4 -1n = 4 Divide each side by '-1'. n = -4 Simplifying n = -4

Subproblem 2

Set the factor '(16 + -3n)' equal to zero and attempt to solve: Simplifying 16 + -3n = 0 Solving 16 + -3n = 0 Move all terms containing n to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + -3n = 0 + -16 Combine like terms: 16 + -16 = 0 0 + -3n = 0 + -16 -3n = 0 + -16 Combine like terms: 0 + -16 = -16 -3n = -16 Divide each side by '-3'. n = 5.333333333 Simplifying n = 5.333333333

Solution

n = {-4, 5.333333333}

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