20n^2+80=116n

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Solution for 20n^2+80=116n equation:


Simplifying
20n2 + 80 = 116n

Reorder the terms:
80 + 20n2 = 116n

Solving
80 + 20n2 = 116n

Solving for variable 'n'.

Reorder the terms:
80 + -116n + 20n2 = 116n + -116n

Combine like terms: 116n + -116n = 0
80 + -116n + 20n2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(20 + -29n + 5n2) = 0

Factor a trinomial.
4((4 + -5n)(5 + -1n)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(4 + -5n)' equal to zero and attempt to solve: Simplifying 4 + -5n = 0 Solving 4 + -5n = 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 + -5n = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -5n = 0 + -4 -5n = 0 + -4 Combine like terms: 0 + -4 = -4 -5n = -4 Divide each side by '-5'. n = 0.8 Simplifying n = 0.8

Subproblem 2

Set the factor '(5 + -1n)' equal to zero and attempt to solve: Simplifying 5 + -1n = 0 Solving 5 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1n = 0 + -5 -1n = 0 + -5 Combine like terms: 0 + -5 = -5 -1n = -5 Divide each side by '-1'. n = 5 Simplifying n = 5

Solution

n = {0.8, 5}

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