2n^2-8n=24

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Solution for 2n^2-8n=24 equation:


Simplifying
2n2 + -8n = 24

Reorder the terms:
-8n + 2n2 = 24

Solving
-8n + 2n2 = 24

Solving for variable 'n'.

Reorder the terms:
-24 + -8n + 2n2 = 24 + -24

Combine like terms: 24 + -24 = 0
-24 + -8n + 2n2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-12 + -4n + n2) = 0

Factor a trinomial.
2((-2 + -1n)(6 + -1n)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-2 + -1n)' equal to zero and attempt to solve: Simplifying -2 + -1n = 0 Solving -2 + -1n = 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 + -1n = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1n = 0 + 2 -1n = 0 + 2 Combine like terms: 0 + 2 = 2 -1n = 2 Divide each side by '-1'. n = -2 Simplifying n = -2

Subproblem 2

Set the factor '(6 + -1n)' equal to zero and attempt to solve: Simplifying 6 + -1n = 0 Solving 6 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1n = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1n = 0 + -6 -1n = 0 + -6 Combine like terms: 0 + -6 = -6 -1n = -6 Divide each side by '-1'. n = 6 Simplifying n = 6

Solution

n = {-2, 6}

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