5n^2+4=12n

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Solution for 5n^2+4=12n equation:


Simplifying
5n2 + 4 = 12n

Reorder the terms:
4 + 5n2 = 12n

Solving
4 + 5n2 = 12n

Solving for variable 'n'.

Reorder the terms:
4 + -12n + 5n2 = 12n + -12n

Combine like terms: 12n + -12n = 0
4 + -12n + 5n2 = 0

Factor a trinomial.
(2 + -5n)(2 + -1n) = 0

Subproblem 1

Set the factor '(2 + -5n)' equal to zero and attempt to solve: Simplifying 2 + -5n = 0 Solving 2 + -5n = 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 + -5n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5n = 0 + -2 -5n = 0 + -2 Combine like terms: 0 + -2 = -2 -5n = -2 Divide each side by '-5'. n = 0.4 Simplifying n = 0.4

Subproblem 2

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

Solution

n = {0.4, 2}

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