3n^2-8n=-4

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Solution for 3n^2-8n=-4 equation:


Simplifying
3n2 + -8n = -4

Reorder the terms:
-8n + 3n2 = -4

Solving
-8n + 3n2 = -4

Solving for variable 'n'.

Reorder the terms:
4 + -8n + 3n2 = -4 + 4

Combine like terms: -4 + 4 = 0
4 + -8n + 3n2 = 0

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

Subproblem 1

Set the factor '(2 + -3n)' equal to zero and attempt to solve: Simplifying 2 + -3n = 0 Solving 2 + -3n = 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 + -3n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3n = 0 + -2 -3n = 0 + -2 Combine like terms: 0 + -2 = -2 -3n = -2 Divide each side by '-3'. n = 0.6666666667 Simplifying n = 0.6666666667

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 = {0.6666666667, 2}

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