8n^2+64=72n

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Solution for 8n^2+64=72n equation:


Simplifying
8n2 + 64 = 72n

Reorder the terms:
64 + 8n2 = 72n

Solving
64 + 8n2 = 72n

Solving for variable 'n'.

Reorder the terms:
64 + -72n + 8n2 = 72n + -72n

Combine like terms: 72n + -72n = 0
64 + -72n + 8n2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(8 + -9n + n2) = 0

Factor a trinomial.
8((1 + -1n)(8 + -1n)) = 0

Ignore the factor 8.

Subproblem 1

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

Subproblem 2

Set the factor '(8 + -1n)' equal to zero and attempt to solve: Simplifying 8 + -1n = 0 Solving 8 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1n = 0 + -8 -1n = 0 + -8 Combine like terms: 0 + -8 = -8 -1n = -8 Divide each side by '-1'. n = 8 Simplifying n = 8

Solution

n = {1, 8}

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